API stands for Application Programming Interface, and it is an layer of interface that allows programs to interact with each other. An experienced API developer can build complex interactions between applications, making them faster, more reliable, and accurate. Whether you need a second opinion on your existing application or you want to create an entirely new application for your business, an expert API Developer can do the job for you.

An API Developer's job does not stop at developing. They can also work on design and implementation testing, guide through the entire architect process from prototyping to implementation, create custom system integration solution based on the project requirements, and collaborate with other teams to develop systems that meet customer expectations.

When hiring an API Developer through Freelancer.com, rest assured that they are as competent as any hired onsite software engineer.

Here’s some projects our experts have worked on:

  • Building custom interfaces to move large amounts of data efficiently between applications
  • Working with Javascript to allow websites to access external information relating to weather conditions
  • Creating Grafana dashboards for quick and easy visualization of data points
  • Developing scripts to connect external APIs with more heavy-duty platforms like Microsoft Azure
  • Debugging mobile apps involving fishing
  • Integrating AI capabilities into online shops
  • Automating regression tests so developers can work faster and more accurately

No matter what your business needs are in terms of API development, our expert freelancers are ready to take on the challenge and provide support whenever you need it. With expertise in debugging applications and web development, you're guaranteed to find the right developer for your project! So why wait? Post your project today at Freelancers.com and reap the benefits of working with an expert API Developer now!

From 173,082 reviews, clients rate our API Developers 4.9 out of 5 stars.
Hire API Developers

API stands for Application Programming Interface, and it is an layer of interface that allows programs to interact with each other. An experienced API developer can build complex interactions between applications, making them faster, more reliable, and accurate. Whether you need a second opinion on your existing application or you want to create an entirely new application for your business, an expert API Developer can do the job for you.

An API Developer's job does not stop at developing. They can also work on design and implementation testing, guide through the entire architect process from prototyping to implementation, create custom system integration solution based on the project requirements, and collaborate with other teams to develop systems that meet customer expectations.

When hiring an API Developer through Freelancer.com, rest assured that they are as competent as any hired onsite software engineer.

Here’s some projects our experts have worked on:

  • Building custom interfaces to move large amounts of data efficiently between applications
  • Working with Javascript to allow websites to access external information relating to weather conditions
  • Creating Grafana dashboards for quick and easy visualization of data points
  • Developing scripts to connect external APIs with more heavy-duty platforms like Microsoft Azure
  • Debugging mobile apps involving fishing
  • Integrating AI capabilities into online shops
  • Automating regression tests so developers can work faster and more accurately

No matter what your business needs are in terms of API development, our expert freelancers are ready to take on the challenge and provide support whenever you need it. With expertise in debugging applications and web development, you're guaranteed to find the right developer for your project! So why wait? Post your project today at Freelancers.com and reap the benefits of working with an expert API Developer now!

From 173,082 reviews, clients rate our API Developers 4.9 out of 5 stars.
Hire API Developers

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    51 jobs found

    My Android app is live and already wired to an operational backend, yet a handful of nagging issues are blocking a smooth release. I need them ironed out in both the mobile build and the web-based admin panel so everything works reliably for users and admins alike. Core tasks and deliverables: • Fix the admin-side login so the single master password authenticates every time. • Build a proper notification system: notifications must save to each user account, be deletable by the user, and also removable from the admin panel. • Ensure the user’s address and city remain stored in the app (and visible in the admin panel) even after logout/login. • Add a “Delete” action for any notification directly inside the admin panel. • Surface incoming pr...

    $42 Average bid
    $42 Avg Bid
    65 bids

    I need an power-user to build several clean, well-tagged company lists. Must have Apollo account with API access. I will provide a clear set of filters—company type, size, location, and industry—so you can jump straight into search mode without guessing. Your job is to: • Apply the exact filters I send for each list • Follow the SOP for adding companies to lists, naming conventions, etc

    $17 / hr Average bid
    $17 / hr Avg Bid
    7 bids

    Hi, I have an existing React/ website that needs some improvements and better content management, and I'm looking for someone experienced with React and headless CMS integrations. Here's what I need: Headless CMS integration — connect the existing frontend to a suitable Wordpress CMS so I can manage things like pages, sections, images, and other content without needing to edit the code every time. API / data integration — connect the required APIs and make sure content is being fetched, updated, and displayed correctly throughout the application. UI improvements — there are a few existing screens and components that need visual and UX improvements, including spacing, responsiveness, layouts, and general consistency. Frontend refinements — clean up any ex...

    $104 Average bid
    $104 Avg Bid
    142 bids

    React.js or full stack Developer / Freelancer Required We are looking for an experienced React.js developer / freelancer for a new web-based project. Requirements: Strong experience with React.js Responsive and modern web development API integration User authentication Profile and dashboard development Search and filtering functionality Booking/workflow-related functionality Admin panel/dashboard Clean, scalable and maintainable code Good understanding of web security and data privacy The project involves a multi-user platform with several different user roles and workflows. Full project details, business concept and specifications will be shared privately with shortlisted candidates. Engagement: Freelance / Project-based Work: Remote Budget: To be discussed based on experience and sc...

    $424 Average bid
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    111 bids

    I need an experienced Power Automate specialist to perform an HTTP request using a personal access token. The task involves connecting to my organization's Databricks to retrieve a sales metrics dashboard. The raw data from this dashboard needs to be exported to an Excel file on SharePoint. Since I am not allowed to share my credentials this job is to be done in-person in New Jersey in a public place Requirements: - Create HTTP request in Power Automate - Use personal access token for Databricks - Retrieve sales metrics dashboard - Export raw data to SharePoint Excel file Ideal Skills: - Proficiency in Power Automate - Experience with Databricks and HTTP requests - Familiarity with SharePoint and Excel integration - Ability to work onsite in New Jersey

    $253 Average bid
    $253 Avg Bid
    67 bids

    I need a clean, up-to-date spreadsheet that lists Polish companies at scale. The file must contain three columns only—Company Name, Email Address, and Sector—and total no fewer than 300 000 unique records. Automated web-scraping or API harvesting is the only collection method I will consider; manual research is out of scope. Please structure the delivery as a single XLSX (or compatible) file. In your proposal tell me: • how many records you can supply for each sector you intend to cover, • your total price for the full dataset, and • the estimated turnaround time. Data quality matters: I will sample for duplicate domains, obvious syntax errors, and bounced addresses, so plan for basic validation before hand-off. If this is within your capabilities, I look ...

    $102 Average bid
    $102 Avg Bid
    43 bids

    We are launching a new web application. It is to help hosts manage events. It is a small application (first release) with a form for host to create, share the link, allowing guests to respond. Also there are email notifications. The requirements are not explicitly specified. Tester will have to understand the functionality and test. There is a SQL server backend application, hosted on Godaddy. Tester must test for security risks, vulnerability, unauthorised access, encryption, confidentiality, leakages, cyber security / penetration. Tester will also have to find out issues with coding standards, cookies, encryption in data exchange to ensure that plain data is not saved or transferred. The application is mobile/desktop/devices compatible. And needs to be tested on those. Tester will ...

    $7 / hr Average bid
    $7 / hr Avg Bid
    48 bids

    I need an power-user to build several clean, well-tagged company lists. Must have Apollo account with API access. I will provide a clear set of filters—company type, size, location, and industry—so you can jump straight into search mode without guessing. Your job is to: • Apply the exact filters I send for each list • Follow the SOP for adding companies to lists, naming conventions, etc

    $14 / hr Average bid
    $14 / hr Avg Bid
    22 bids

    I have a steady flow of Google ReCAPTCHAs that must be solved quickly and accurately. The task is straightforward: whenever a challenge appears on my side, I will route it to you; you return the correct response so the workflow can continue without interruption. Only ReCAPTCHA challenges are involved, so familiarity with their look-and-feel and the quickest way to extract the solution is essential. If you already use helper tools, browser extensions, or a custom typing dashboard, feel free to mention them—any approach is fine as long as the end result is a reliable, correct token delivered in seconds. Here is what will make the collaboration successful: • Consistent accuracy—mistyped solutions slow everything down. • Fast turnaround—ideally under 15 seco...

    $410 Average bid
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    16 bids

    Marketing Technology (MarTech), Server-Side Tracking, and Advanced google ads pro, Build or configure a secure, fast, and compliant URL tracking/redirection system for our marketing links (using standard HTTP 301/302 redirects). Implement a system that dynamically adapts landing page content and Campaign cloaker

    $315 Average bid
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    198 bids

    I have an online store that sells Murder Mystery 2 items and I already have the purchase interface and all the necessary API/backend. I now need to create the module that takes care of automatic delivery within Roblox, written in Luau, so that each customer receives the purchased item without manual intervention - total focus on improving the player's experience. Main scope • Listen to the "approved order" webhook of my API and capture Roblox user + item list. • Put the order in a queue and choose, among my mule accounts, the one that has the item in stock. • Invite the customer to the VIP server and detect his presence in-game. • Conduct the trade 100% according to the rules of Roblox/MM2, confirming that the right item has been delivered. • U...

    $708 Average bid
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    95 bids
    Hermes SEO Agent Development
    4 days left
    Verified

    I’d like to create an autonomous SEO agent that runs on the Hermes framework with one overriding objective: drive more traffic to my custom-built website. The agent should be able to crawl the site, identify on-page issues, suggest (and ideally schedule) fixes, track keyword movements, and generate concise weekly reports I can act on immediately. Because the codebase is entirely bespoke, you’ll have direct API access rather than a plug-and-play CMS. Please outline how you plan to connect Hermes to the existing stack, what libraries or third-party tools you expect to use, and how data will be stored and surfaced in a dashboard or report. Deliverables • Agent architecture diagram and tech stack summary • Fully scripted Hermes workflows for crawling, optimisation r...

    $3 / hr Average bid
    $3 / hr Avg Bid
    45 bids
    Excel Live TAB Racing Odds
    4 days left
    Verified

    I need a reliable, low-latency feed that lets Excel pull live prices from the TAB bookmaker for horse racing, harness racing and greyhound meetings. The workbook should refresh on demand (or at a user-set interval) and display each runner’s win and place odds along with race time, track, and any standard identifiers you fetch from the API. You’re free to use Power Query, VBA, Python, or any other method that keeps the refresh process simple for a non-technical end user. If the TAB API requires authentication or session tokens, build that in so the sheet reconnects automatically without exposing keys in plain text. Deliverables • A working Excel file pre-wired to the TAB live-odds feed • Well-commented source code or scripts used to make the connection • A b...

    $28 / hr Average bid
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    120 bids
    Multimodal Cargo Tracking
    4 days left
    Verified

    I’m putting together a straightforward location-tracking system for loads of non-perishable goods that move through warehouses, trucks, and rail cars. The core requirement is real-time position updates from departure to storage, with automatic alerts if a device signals potential theft. The hardware can be either single-use—so the receiver never has to return or recharge the tag—or a reusable unit that we can redeploy after each trip. I’ll need your help scoping both variants and producing an estimated cost per device for each. What I expect from you • A concise technical proposal outlining the recommended tracker form factor, network technology (e.g., GSM, LTE-M, NB-IoT, LoRaWAN), and back-end platform or API you plan to leverage. • A table or brie...

    $204 Average bid
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    125 bids

    My top priority is eliminating the incorrect stock quantities that keep showing up in Shopify even though the numbers in Lightspeed Retail are accurate. So far I have been handling the discrepancies with manual adjustments, but that is obviously not sustainable. Here is the ground I need you to cover during a live Zoom / screen-share session: • Data synchronization process – walk through every step of the Lightspeed-to-Shopify feed, spot bottlenecks or mis-firing jobs, and tune timing so updates propagate reliably. • Historical data inconsistencies – locate duplicated or legacy products, clean the catalog, and make sure old records do not re-surface once the sync is running smoothly. While the incorrect stock counts are the main headache, I also want you to confi...

    $38 / hr Average bid
    $38 / hr Avg Bid
    104 bids

    I’m looking for someone who knows ViciDial inside-out to take full ownership of the backend. The platform is already live but it needs a deep cleanup, optimisation and several feature extensions. Here’s what I want you to tackle: • System configuration – Provision or harden the existing server stack, keep it patched and monitored – Create and maintain user accounts with the correct permission tiers – Review and fine-tune dial plan settings so campaigns hit the right ratios without stressing the dialer • Database management – Set up an automated backup and verified recovery routine – Optimise tables, indexes and queries for faster list loading and real-time reporting – Migrate legacy data from previous inst...

    $24 / hr Average bid
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    79 bids

    I currently collect enquiries from Meta, my website, Instagram, Email, LinkedIn and Facebook. All of them need to flow straight into my PRISM CRM without anyone touching a spreadsheet. The moment a fresh record lands in PRISM, I’d like an automatic WhatsApp message to go out so we can identify potential clients quickly. Here is the workflow I want built and documented: 1. Capture & routing • Pull every new lead from each source (Meta forms, web contact form, Instagram DM / Ads, Email parser, LinkedIn, Facebook) through webhooks or approved connectors. • Map every captured field to the correct tables in PRISM, creating the contact if it does not yet exist and updating it if it does. 2. WhatsApp engagement • As soon as a lead is created, trigger a...

    $177 Average bid
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    49 bids

    We are a travel agency selling hotel rooms. Before we quote a price to a customer on our website, we want to see what the same hotel costs on , compare it with our own supplier rate, and set our price accordingly. What we need: Connect to the Demand API For a given hotel + check-in/check-out date + number of guests, pull the current price Return it to our system so we can compare it with our own rate before quoting Basic caching so we don't call the API more than necessary Handle errors and rate limits cleanly That's the core of the job. We don't need booking creation for now — just prices. Our stack: Cloudflare Workers, D1, JavaScript/TypeScript. Simple setup, no heavy build tools.

    $246 Average bid
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    213 bids

    I need all of my plain-text content moved from its current web location to a new destination right away. There are no images or other file types involved—just straightforward text that must arrive intact, correctly formatted, and searchable on the target site. Please tell me exactly how you would tackle the move, any tools or scripts you prefer (for example, Python, PHP, cURL, or an API-driven approach), and how long each step will take. A concise but detailed project proposal is essential so I can see your plan before we start. Speed is critical; I’m ready to award as soon as I’m confident the migration can be finished ASAP with zero data loss and minimal downtime.

    $369 Average bid
    $369 Avg Bid
    65 bids

    # PhotoX – Development Scope PhotoX is a **professional multi-photographer marketplace** for South Africa, initially focused on school sport, sporting events and event photography. The system must be scalable to support **hundreds of photographers, thousands of galleries and millions of images**. ## Core Requirements ### Photographer Platform Approved photographers must have accounts where they can: * Create events and galleries * Bulk upload thousands of images * Set pricing * View sales, commission and payouts * Manage public profiles * View gallery and sales analytics ### Galleries & Events Events must support multiple photographers, sports, teams, age groups and matches. Images remain linked to the photographer who uploaded them. ### AI Search A major requirement is...

    $53645 Average bid
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    167 bids

    I need a performance-testing specialist who can model and execute high-volume scenarios against our RESTful API. The primary focus is to measure and optimise throughput, so the test plan should reveal how many transactions per second the service sustains before degradation appears. My current toolchain centres on Neoload, but I also have an existing LoadRunner licence and would like the scripts to be portable between the two when practical. You are free to choose the more efficient platform for each step—design, execution, and reporting—as long as the final artefacts run in Neoload and can be replicated in LoadRunner for comparison. Scope of work • Review the API documentation and propose realistic load profiles. • Build parameterised test scripts that captu...

    $16 / hr Average bid
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    15 bids
    Arabic Web-Based HR System
    3 days left
    Verified

    Web Development System I need to implement the whole following system in the link again. I do not have full access of it on the hosting server and do not have source code and really am afraid to depend on it and later I will be sorry I didn't pay for it as It is like a demo. I just need to build a typical system again if you can with a plugin or whatever call of announcements. Announcements for both candidates, employees channels: sms/Whatsapp Editable message templates Arabic only Please check and give me estimation of cost and time. ASAP Here are the credentials to login: Thank you very much

    $1772 Average bid
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    379 bids

    I want every single message that reaches my WhatsApp Business account to receive an instant, well-structured reply. The response must open with a friendly greeting, list my contact details, and then show a clear order menu with concise instructions on how to place an order. I do not need the customer’s name merged into the text—the greeting can stay universal. Here’s what I expect from you: • Craft the copy (including emojis or line breaks where they improve readability) so it fits comfortably within WhatsApp’s character limits and looks clean on both Android and iOS. • Format the order menu so customers can see numbered or bulleted options and understand the next step at a glance. • Activate the auto-reply inside my WhatsApp Business settings...

    $38 Average bid
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    70 bids

    Key Features & Deliverables: Member Management & Onboarding: Digital membership registration, profile management, ID generation, package enrollment, and emergency contact tracking. Automated Subscription & Billing: Real-time monitoring of active, expiring, and overdue packages with automated renewal alerts via email and messaging. Attendance & Check-in System: Front-desk check-in logs and daily attendance monitoring for both members and training staff. Trainer & Schedule Allocation: Assign personal trainers to members, schedule training slots, and manage custom workout and diet plans. Financial Reporting & Analytics: Comprehensive revenue dashboards showing daily cash collections, monthly recurring revenue, pending dues, and expense tracking with one-click PDF/...

    $476 Average bid
    $476 Avg Bid
    98 bids

    I want to automate our first-line customer support so every incoming message on WhatsApp and the website chat widget is routed through an AI that consults our knowledge base and replies instantly. Scope of interactions • Channel flow: Customer → WhatsApp / web chat → AI assistant → updated knowledge base. What the assistant must do • Answer FAQs accurately. • Handle account-level inquiries (e.g., order status, subscription details). • Provide personalised product recommendations that link back to our catalogue. Knowledge base status About 70 % of the material already exists; we will need to audit, clean, and expand it so the AI can retrieve up-to-date answers with full citations. Technical expectations The solution should integrate with th...

    $767 Average bid
    $767 Avg Bid
    268 bids

    Smart Weight Billing a simple and smart billing solution designed for vegetable shops, fruit shops, meat shops, fish shops, and other weight-based businesses. The software connects with an electronic weighing scale. When a product is placed on the scale, automatically calculates the amount based on the product weight and price per kilogram. Example Product: Carrot Price: ₹60/kg Weight: 0.256 kg Calculated Amount: ₹15.36 Round-Off Payable Amount: ₹15 The customer only needs to see the final payable amount, making the billing process quick and simple. If the customer requires a physical bill, the shop can print the receipt. If a paper bill is not required, an e-bill can be sent directly to the customer's WhatsApp. Simple Process Select Product → Weigh Product → Automa...

    $137 Average bid
    $137 Avg Bid
    35 bids

    My WhatsApp Business API integration for has suddenly been blocked. The dashboard now shows “Account status: Disabled – This account doesn’t meet our policy guidelines.” Just before the lock-out I changed a few items: I updated our API key and adjusted some policy settings, so the problem is almost certainly tied to those edits. No other settings, webhooks, or rate-limit parameters were touched. I need someone who knows the Meta / Facebook Business Manager flow inside out to: • Pinpoint exactly which new policy or key change violated the guidelines • Guide me through (or handle) the appeal / re-verification steps • Re-establish full messaging functionality on the site with zero data loss • Test and confirm that webhooks, templates an...

    $127 Average bid
    $127 Avg Bid
    60 bids

    SmartGrid Electric – Website Workflow Development We need a developer to build two automated workflow systems on : 1. SmartGrid Apprenticeship Academy Workflow We need a complete online enrollment and applicant-management system for our electrical apprenticeship program. The workflow should be: Landing Page → Application → Applicant Profile → Document Upload → Application Review → Approval/Denial → Enrollment → Tuition/Payment Setup → Apprentice Dashboard → Program Tracking Applicants should be able to: * Complete an online apprenticeship application * Create an account/profile * Upload required documents such as ID, resume, certifications, etc. * Select available program/cohort options * Receive automatic email/SMS confirmations an...

    $807 Average bid
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    312 bids

    I need a two-step Shopify Flow that reacts the moment any product moves from a positive inventory level to zero (or below), and again when stock is replenished. Step 1 – Stock hits zero or less • Automatically set the product status to ARCHIVED so it disappears from the store. • Create a URL redirect that sends the former product page to /collections/best-sellers. • Log the change in a connected spreadsheet (Google Sheets is fine) so I have a record of the date, SKU, and action taken. Step 2 – Stock returns above zero • Switch the product status back to ACTIVE. • Remove the specific redirect you created in Step 1. • Write the reversal to the same spreadsheet. Scope & notes • The flow must cover all products in the catalogu...

    $163 Average bid
    $163 Avg Bid
    237 bids
    Multi-Sport Live Scores API
    2 days left
    Verified

    need to pull odds, lines, o/u for upcoming games from ProphetX need a pull down for league and date selection

    $52 Average bid
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    65 bids

    YOU NEED TO READ THE ATTACHED FILE!!! $10 Job I expect the contractor to pursue platform-like historical processing speed. If hardware, storage or API throughput creates a genuine lower bound, quantify it with benchmarks and recommend the exact infrastructure required. Do not simply label the existing runtime acceptable. ### Final deliverables * Optimized Rust-based processing core. * Python dashboard and research integration where appropriate. * Complete source code in a private GitHub repository. * Reproducible Windows and hosted builds. * One-click local launcher. * Hands-free hosted deployment configuration. * Persistent and compressed historical storage. * Automatic incremental OANDA collection. * Automatic discovery and validation cycles. * Permanent archive of validated `TRUE` ...

    $42 Average bid
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    45 bids

    I’m stuck with an official WhatsApp Business API setup that runs through the BSP botbiz.io. The entire channel was deleted and now Meta refuses to let me reconnect, so the service is completely down—I can’t establish a connection at all. You’ll get screenshots of every error I’m seeing and full AnyDesk access to the machine where the installation and Facebook Business settings are managed. Nothing in the API settings or the account was altered before the outage, so the fault appears to be on the BSP / Meta side or in the way the instance now handshakes. Your task is to diagnose the connection failure, re-provision or recover the number in Business Manager, and restore a working WhatsApp API endpoint that can once again send and receive messages through b...

    $19 Average bid
    $19 Avg Bid
    11 bids

    I am building a library of repeatable VMOS-Cloud phone scripts dedicated to Instagram social-media automation. Every script must run inside the VMOS environment without manual intervention—from launch to graceful exit—and complete its task on the first attempt. Once a script proves 100 % reliable in my test VM, I will release a €10 milestone for that piece of work; there is no cap on the number of separate, fully working scripts you can deliver. Typical use cases include, but are not limited to, installing or opening the Instagram app, navigating through the UI, triggering posts, stories, likes, comments, follows, unfollows, or any other routine you can reliably automate. Feel free to propose creative workflows that save time or add value to content creators; I am open to...

    $64 Average bid
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    42 bids

    We are looking for a skilled Meta API & Integration Specialist to manage, optimize, and scale integrations with Meta platforms. The candidate will be responsible for monitoring API usage, troubleshooting API issues, and working with Meta to request and obtain higher API rate limits when required. Key Responsibilities Manage and maintain Meta Graph API, Marketing API, WhatsApp Business API, and related integrations. Monitor API usage, rate limits, errors, and system performance. Identify API bottlenecks and implement solutions to improve scalability. Submit and manage requests for Meta API limit increases. Communicate with Meta support and developer teams regarding API restrictions and technical issues. Implement API optimization techniques such as caching, batching, pagination, and req...

    $720 Average bid
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    120 bids

    My e-commerce / reservations site is already live on the Base44 (Wix) framework, but I still need three technical pieces put in place before launch: 1. Connect the site and mobile app to my own custom domain. 2. Activate Revolut as the checkout payment gateway. 3. Sync every completed order with MoloniOn so invoices are issued automatically. Both my Revolut Business and MoloniOn accounts are already configured; you will receive full API credentials and sandbox access as soon as we start. Because the platform was built with the Base44 toolkit inside Wix, you should be comfortable working with Wix Velo, JavaScript, RESTful APIs and DNS management. All work has to keep the current front-end design untouched while ensuring secure data handling (PCI-compliant flow for Revolut, correc...

    $283 Average bid
    $283 Avg Bid
    332 bids

    I run a busy telemarketing agency and need a reliable, scalable way to record every outbound call my team makes from their desktop computers. I’m committed to a fully cloud-based solution so we never have to maintain on-premise hardware, yet I still want enterprise-grade security, redundancy, and easy access to recordings. The core requirements are straightforward: • Automatic call recording that captures 100 % of outbound traffic the moment a call is placed. • Built-in call analytics so I can track agent performance, campaign effectiveness, and compliance metrics from a central dashboard. Beyond those essentials, the platform should let me search, tag, and download recordings quickly, with the option to add real-time transcription down the road. Seamless integration...

    $263 Average bid
    $263 Avg Bid
    81 bids

    I need a web app that plugs into the Google Maps / Places API and pinpoints potential service-provider leads in any chosen area. The flow is straightforward: users enter a location or keyword, the map displays matching service businesses, and the system captures each company’s customer reviews for later analysis. The heart of the build is reliable API integration, quick filtering and a compact dashboard where I can read, sort and export the review data. Contact details or full service lists could be added later, but for this first release the reviews themselves are the single non-negotiable data point. Core deliverables • Front-end interface (React, Vue or vanilla JavaScript) that lets me search, view markers and browse reviews • Back-end service (Node, Python or simi...

    $438 Average bid
    $438 Avg Bid
    71 bids

    I need a simple WhatsApp chat bot that sends a custom greeting the moment a new message arrives. No message forwarding or data collection—just a clean, automated “hello” that feels personal. Scope of work • Connect the bot to my existing WhatsApp Business number (API, Twilio, or another reliable method—whichever you recommend). • Configure a single custom greeting message that fires automatically on every first inbound message in a thread. • Supply clear, step-by-step instructions so I can edit that greeting later without touching code. • Test end-to-end to confirm users always receive the greeting instantly. Please build with widely supported tools, keep the setup straightforward, and hand over any required keys or configuration files ...

    $708 Average bid
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    167 bids

    .NET 8 / Azure / Mobile App Developer — Long-Term Opportunity We are looking for an experienced mobile app developer who is highly skilled with .NET 8 and Azure to work with us on a long-term basis. We currently have a .NET 8 website hosted on Microsoft Azure and are planning to develop a mobile application for both Android and iOS. The app will include selected features from our existing website, along with potentially new features designed specifically for mobile users. Responsibilities Develop and maintain the Android and iOS mobile application. Integrate the mobile app with our existing .NET 8 backend. Work with and modify our existing .NET 8 website when needed. Make changes and improvements to our Azure-hosted infrastructure and services. Develop new features for both the we...

    $1181 Average bid
    $1181 Avg Bid
    33 bids
    Duplicate WhatsApp Group Members
    13 hours left
    Verified

    I have an existing WhatsApp group whose entire membership I need copied into a fresh group. The task is purely about replicating the member list—no chat history or custom settings have to come across—so the solution can stay lean and compliant with WhatsApp limits. The current head-count is well over 100, therefore I’m looking for an automated method (API integration, approved third-party tool, or a lightweight script) that can: • Pull every existing member ID from the source group • Add them seamlessly to the new group without triggering spam flags • Provide a simple way for me to repeat the process in the future if the roster changes Please build in any required rate-limiting or invitation workflows so we respect WhatsApp’s policies. On deliv...

    $55 Average bid
    $55 Avg Bid
    70 bids

    I want a secure, doctor-centered web application that lets authorized physicians pull up a patient’s full medical history in just a few clicks. The focus is on fast retrieval, clear presentation, and iron-clad protection of sensitive data. Key capabilities I expect from the first release: • Role-based login so only credentialed doctors can enter the system. • A searchable patient directory that returns a consolidated timeline of past visits, diagnoses, lab results, and notes. • Audit logging to record who opened which chart and when, satisfying HIPAA-style compliance. • An intuitive interface designed with modern UI/UX principles to ensure it is clean, neutral, simple, and user-friendly. Usability should be emphasized for seamless desktop and tablet use in clinic...

    $33 / hr Average bid
    $33 / hr Avg Bid
    364 bids

    # YouTube Live Comment Automation I need a developer to create a simple automation that monitors one specific YouTube channel. ### How it should work * Enter the channel URL in a configuration file. * The system continuously monitors the channel. * When the channel goes live, automatically detect the stream and obtain the live stream URL/ID. * Once the live stream is detected, automatically start sending comments. * Use multiple YouTube accounts to post comments. * Comments will be stored in a CSV file. * Select a random comment from the CSV for each submission. * Comments must be sent directly through HTTP requests, without browser automation. * Continue sending comments while the live stream is active. * Automatically stop when the live stream ends. * If the channel starts another liv...

    $32 Average bid
    $32 Avg Bid
    28 bids

    I want to add hCaptcha protection to the login page of my website so that every sign-in attempt is first challenged and verified before the usual authentication logic runs. You will need to: • Insert the hCaptcha widget on the existing login form, using my site key. • Handle the server-side verification call to hCaptcha’s API in the language the site already uses (PHP). • Return clear error messages when verification fails and allow the login flow to continue only after a valid token is confirmed. • Provide a short note showing me where I can swap keys or tweak the challenge parameters later. Please keep the front-end styling consistent with the current form and do all work within a git branch so I can review the changes before merging.

    $16 / hr Average bid
    $16 / hr Avg Bid
    77 bids

    I need a clear, interactive business-analytics dashboard that pulls live data directly from our API endpoints and turns it into actionable insight. The finished board should surface three core KPIs: revenue growth, customer acquisition, and operational efficiency. My priorities are: • Seamless, secure API integration with automatic refresh intervals • Intuitive visuals that let a non-technical user drill from high-level trends down to underlying records • A layout that works equally well on a laptop screen and a meeting-room display You are free to recommend the most suitable platform or tech stack—as long as it can hit the API reliably and support custom calculations for the above KPIs. A brief hand-off document or short video walk-through that shows how t...

    $16 / hr Average bid
    $16 / hr Avg Bid
    22 bids

    Explicit Filtering Phase project as discussed in chat for phrase detection and resultant redirect.

    $814 Average bid
    $814 Avg Bid
    29 bids

    J’ai déjà publié EUTEC-BTP (), une plateforme qui facilite les études techniques du Génie Civil. La prochaine étape consiste à doter les professionnels du secteur d’un véritable module de calculs de coût : un outil clair, fiable et intégrable aux projets existants. L’idée est simple : l’utilisateur saisit ses matériaux, la main-d’œuvre, les engins et les coefficients de marge ou de perte ; l’application renvoie immédiatement un chiffrage unitaire, partiel et total, exportable en PDF ou Excel et archivable dans son espace projet. Livrables attendus : • Moteur de calcul paramétrable couvrant l’ensemble des postes d’un devis ; • I...

    $225 Average bid
    $225 Avg Bid
    70 bids

    Quiero poner en marcha un canal de denuncias que reciba casos de acoso laboral y, al mismo tiempo, cumpla con la Ley 20.393 y las normas de protección de datos personales en Chile. La idea es que el reporte entre a través de un formulario online y que Claude nos ayude a clasificarlo automáticamente, generar alertas internas y mantener trazabilidad sin comprometer la confidencialidad del denunciante. Lo que necesito de tu parte: • Diseño del flujo completo: desde la página del formulario (web responsive) hasta el repositorio seguro donde quedarán los reportes. • Integración con Claude (API o similar) para:  – anonimizar datos sensibles,  – etiquetar el tipo de acoso o infracción,  –...

    $733 Average bid
    $733 Avg Bid
    136 bids

    Buscamos un Especialista en Automatización con n8n e Inteligencia Artificial para implementar de manera inmediata nuestro embudo principal de captación de leads y agendamiento automático. Trabajaremos mediante un primer hito a precio cerrado. Una vez validada la entrega y calidad del sistema, el profesional seleccionado pasará a un esquema de contratación continua a tiempo parcial (4 horas diarias / 20 horas semanales) para desarrollar el resto de las automatizaciones de la empresa y de nuestros clientes. El objetivo es dejar 100% funcional y probado el siguiente flujo de captación: * Captación: Capturar clientes potenciales desde Meta Ads (Facebook / Instagram Lead Ads / Webhook). * Procesamiento y Registro: Enviar y estructurar los lead...

    $258 Average bid
    $258 Avg Bid
    72 bids

    Opero a diario en el mercado P2P de Binance para Venezuela y quiero eliminar por completo la intervención manual al pagar cada orden. Necesito una solución que, desde mi dispositivo Android, lea la app de mi banco y ejecute la transferencia automáticamente en cuanto se genere la orden de compra. Alcance principal • Automatización completa del flujo: detección de la orden en Binance P2P, apertura/lectura de la app bancaria en Android y confirmación del pago sin intervención humana. • Interacción Android-nativa con la app del banco (no dispongo de una API oficial). • Persistencia de datos: – Historial de transacciones con fecha, monto y referencia. – Reportes y análisis básicos (to...

    $700 Average bid
    $700 Avg Bid
    114 bids

    Trabajo con un marketplace propio llamado Catcher, inspirado en la lógica de Uber para emparejar compradores con proveedores. Hoy todo funciona bien excepto un punto: cada vez que entra un pedido debo aprobarlo de forma manual. Quiero que esa aprobación sea 100 % automática para agilizar el flujo y evitar demoras. Tu reto será conectar el evento de “nuevo pedido” con la acción de “aceptar pedido” usando la API de Catcher (o la solución que propongas si prefieres un webhook, script en Python, Node.js o similar). El resultado esperado es simple: cuando el sistema registre un nuevo pedido, este quede marcado como aceptado sin intervención humana y el cliente reciba la confirmación inmediatamente. Acepto sugerenc...

    $817 Average bid
    $817 Avg Bid
    183 bids

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