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I run [login to view URL], a portal that already generates and corrects PAN cards, and I’m ready to open up the underlying service as a commercial API. I need a specialist who can turn the existing internal endpoints into well-structured public documentation and design a straightforward pay-as-you-go user plan. The documentation must live inside my portal, look professional on both desktop and mobile, and cover everything a developer needs to get productive fast: every endpoint and method, detailed error codes with handling advice, plus the rate limits and quota rules that match the plan you help me define. Authentication will be handled through API keys only, so the docs should include key creation, usage and rotation guidelines. For the user plan, I want a single pay-as-you-go model that clearly states price per successful request, minimum monthly commitment (if any), and automatic throttling once the quota is reached. Please suggest reasonable tier breakpoints, overage pricing, and the wording for terms of service so I can copy it directly into the site. Deliverables: • Markdown or HTML documentation ready to embed in [login to view URL], with sample curl and language snippets (preferably PHP and Node.js). • A concise pricing and quota matrix for the pay-as-you-go model. • Postman or Swagger (OpenAPI 3) collection that mirrors the docs so developers can test immediately. • Brief guide on how to update the docs when endpoints change. I’ll give you access to the existing internal Postman collection and database schema once we start, and I’m happy to walk through the workflow to clarify any edge cases. Looking forward to a clean, developer-friendly deliverable that lets me start onboarding resellers right away.
ID Projek: 40306298
39 cadangan
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Aktif 28 hari yang lalu
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39 pekerja bebas membida secara purata ₹7,535 INR untuk pekerjaan ini

Hello We reviewed your requirement for the PAN Card API docs & integration package. Clear documentation is essential for implementing endpoints, authentication, request/response formats, and error handling. Ambient Infotech has strong experience in API documentation and integrations. We can create a professional, easy-to-use API docs package with examples and sample code in your preferred language, ensuring developers can integrate quickly and efficiently. Quick question: which programming languages do you want the samples in (PHP, Node.js, Python, etc.)? Best regards, Ambient Infotech
₹7,000 INR dalam 2 hari
7.8
7.8

Hello,! I’m excited about the opportunity to help with your project. Based on your requirements, I believe my expertise in PHP, HTML, MySQL, JavaScript aligns perfectly with your needs. How I Will Build It: I will approach your project with a structured, goal-oriented method. Using my experience in PHP, JavaScript, MySQL, HTML, Web Development, Documentation, API Development, API Integration, API Testing, Web Design, I’ll deliver a solution that not only meets your expectations but is also scalable, efficient, and cleanly coded. I ensure seamless integration, full responsiveness, and a strong focus on performance and user experience. Why Choose Me: - 10 years of experience delivering high-quality web and software projects - Deep understanding of PHP, HTML, MySQL, JavaScript and related technologies - Strong communication and collaboration skills - A proven track record — check out my freelancer portfolio. - I’m available for a call to discuss your project in more detail - Committed to delivering results on time, every time Availability: I can start immediately and complete this task within the expected timeframe. Looking forward to working with you! Best regards, Ali Zahid India
₹1,500 INR dalam 7 hari
5.9
5.9

Hi there, I understand you want ePanMitra's internal PAN generation endpoints turned into production-ready public API docs and a single pay-as-you-go plan , I’ve built embedded API docs, OpenAPI specs and pricing matrices for paymented APIs and can deliver developer-friendly assets that match your portal's UX. - Deliver full Markdown/HTML docs for desktop & mobile with curl, PHP and Node.js examples and complete error-code handling. - Deliver OpenAPI 3 (Swagger) + Postman collection that mirrors the docs for immediate testing. - Deliver pricing & quota matrix: per-successful-request price, tier breakpoints, overage, throttling rules and copy-ready TOS language. - Risk & quality controls: staged rollout, example rate-limit headers, test keys, post-deploy validation and rollback notes. Skills: ✅ API Documentation ✅ OpenAPI 3 / Postman ✅ PHP / Node.js samples ✅ Embedded docs / Nginx or portal hosting ✅ Rate-limiting, quota, throttling, security Certificates: ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ cPanel® & WHM Certified CWSA-2 I’m available to start immediately , Do you have existing internal rate-limit rules or a target monthly successful-request volume (baseline + peak) so I can propose sensible tier breakpoints and overage pricing? Best regards,
₹8,000 INR dalam 1 hari
5.8
5.8

Drawing from my extensive experience in API development and web design, I am confident that I can help you deliver a powerful, user-friendly documentation package and an intuitive pricing plan for your PAN Card API. With my background at Google and Apple, I have developed a unique and effective approach to project development that emphasizes clear communication and efficient delivery—a process that will be especially valuable in creating your API documentation. In terms of technical acumen, my skillset encompasses all the necessary proficiencies—API development and integration, HTML, JavaScript, MySQL, PHP, and more—that are essential in optimizing the functionalities and user experience of your portal. Additionally, I communicate well with clients and stakeholders to ensure that both parties are aligned on goals, priorities, timeframes. I will also provide proper documentation on updating guidelines so you are able to navigate changes seamlessly. Finally, my work does not end with project delivery—I'm dedicated to ongoing support as needed. Choosing me for your project means opting for a worry-free experience where your business requirements remain at the forefront throughout all stages of the project. Let's have a conversation about how we can leverage technology to catapult your platform's productivity while ensuring its scalability and security.”
₹7,000 INR dalam 7 hari
5.7
5.7

With my extensive experience in web development and API creation, I am confident that I can deliver exceptional documentation for your PAN Card API. I have in-depth knowledge of both PHP and Node.js, which allows me to provide comprehensive examples and language-specific snippets for your endpoints. Furthermore, my proficiency in MySQL ensures that I can implement any database-related functions with precision and optimize performance. One area where I believe I could really add value to your project is through my familiarity with building payment gateways and designing RESTful APIs. This understanding will be particularly helpful as we converge on creating the user plan that specifically matches your needs. Additionally, my knowledge of secure authentication methodologies will allow me to craft clear and effective guidelines for key management and rotation in your document. Overall, my goal is to provide clean, maintainable code solutions that align with optimal web practices and ensure a seamless experience for developers using your API. My written English skills are also top-notch, so you can rest assured the deliverables will be thoughtfully created with user readability in mind. Let's make sure your ePanMitra platform has a thoroughly professional API documentation that speaks volume of its standards and reliability!
₹7,000 INR dalam 7 hari
4.8
4.8

Hello Client, I can help you turn your internal API into a clean, developer-friendly public offering with professional documentation and a clear pay-as-you-go model. I have experience structuring APIs, writing production-ready docs, and designing pricing that’s simple, scalable, and easy for resellers to understand. I’ll convert your existing endpoints into well-organized documentation with examples (cURL, PHP, Node.js), define authentication and key management clearly, and create an OpenAPI/Swagger collection for quick testing. I’ll also design a practical pricing and quota structure with clear rate limits, overage logic, and ready-to-use terms wording. Everything will be optimized for easy embedding into your portal and future updates. Ready to start as soon as you share access to your current Postman collection.
₹6,000 INR dalam 10 hari
4.5
4.5

Hello, I’m an experienced API developer and can prepare clean, well‑structured documentation and integration package for your PAN Card API. I’ll clearly outline request/response formats, authentication details, error handling, example code snippets, and usage guidelines so your team can integrate the API easily and confidently. I work with REST/JSON APIs regularly and deliver professional, easy‑to‑use docs. Regards, Bharti
₹7,000 INR dalam 7 hari
4.0
4.0

As an experienced developer, I've built numerous APIs for a range of clients, and I recognize the importance of comprehensive documentation in simplifying integration. With this project, not only will I provide well-structured and easily understandable documentation covering every endpoint and method while paying close attention to the details like error codes and rate limits, but I'll also craft this documentation fully aligned with your user plan inclinations. My proficiency in HTML, JavaScript, PHP, and API development would allow me to seamlessly transform your existing internal endpoints into professional and mobile-ready API documentation direct for integration on ePanMitra.com. Moreover, my skillset extends with a wide array of frameworks including Node.js, React and Angular making it easy for me to work with another developer in your team should that be necessary at some point. Finally, with my experience in API design, I can not only create a single pay-as-you-go model for your resellers but also suggest meaningful tier breakpoints and overage pricing as well as draft terms of service to keep everything transparent. My end goal is to make the process seamless yet inclusive ensuring that both developers and you resellers
₹7,000 INR dalam 7 hari
3.8
3.8

Hi there, You’re absolutely in the RIGHT PLACE. I’ve delivered SIMILAR PROJECTS multiple times and know EXACTLY how to execute this efficiently and correctly from day one. To lock down the SCOPE, TIMELINE, AND PRICING, I’ll need to ask you a few key questions. Unfortunately, Freelancer’s 1500 CHARACTER LIMIT doesn’t allow me to break everything down properly here. Let’s jump on CHAT so I can show you my PROVEN PAST WORK, walk you through the REAL RESULTS I’ve delivered, and outline a CLEAR ACTION PLAN for your project. You’ll immediately see why my approach is DIFFERENT and EFFECTIVE. If you’re serious about getting this done RIGHT, I’m ready to move forward. Looking forward to CONNECTING and WINNING TOGETHER. Cheers, Mayank Sahu
₹7,000 INR dalam 7 hari
3.9
3.9

I see you’re looking to transform your internal PAN card service into a polished public API offering on ePanMitra.com. It’s great that you want documentation that’s both comprehensive and user-friendly across desktop and mobile, along with a clear pay-as-you-go pricing plan. Your need for detailed docs including endpoints, error handling, API key authentication, and rate limits shows you want developers to onboard quickly and smoothly. I also understand you want the pricing model to be straightforward with clear terms and an automatic throttling mechanism, plus deliverables like Markdown/HTML docs, Postman or Swagger collections, and an update guide. I’ve built similar API docs and pricing plans for financial and identity verification services, delivering clean HTML and Markdown docs with embedded code samples in PHP and Node.js. I’ve also created OpenAPI 3 specs and Postman collections that match the docs, making testing seamless for developers. This experience directly applies to your project’s goals and tech stack. I can complete this within 10 days, allowing time for your walkthrough and any revisions needed. Let’s discuss the next steps to get your API ready for resellers quickly.
₹1,650 INR dalam 7 hari
3.4
3.4

Hi, I can help you convert your existing endpoints into clean, developer-friendly API documentation and design a simple, scalable pay-as-you-go pricing model for ePanMitra. What I’ll deliver: Structured API docs (Markdown/HTML) ready to embed Clear endpoint definitions, request/response examples Detailed error codes + handling guidance API key usage, generation & rotation guide Sample code (cURL, PHP, Node.js) Developer Tools: Complete OpenAPI (Swagger 3) spec Ready-to-use Postman collection Pricing Model (Pay-as-you-go): Cost per successful request Suggested volume tiers + overage pricing Rate limits + throttling logic Ready-to-use Terms wording Approach: Use your existing Postman collection as base Standardize structure for quick developer onboarding Keep docs clean, minimal, and practical Timeline: 3–5 days I’ve worked with APIs and integrations extensively, so I’ll ensure your docs are clear, scalable, and easy for resellers to adopt quickly. Let’s make your API launch-ready Best regards,
₹7,000 INR dalam 7 hari
3.4
3.4

Hi, I read through your post and it sounds like you already have a working internal API, you just need it presented in a way that outside developers can actually use without confusion. I’ve worked with API integrations and documentation before, so the first thing I would do is review the existing Postman collection and map out all endpoints, parameters, responses and edge cases. From there I can structure clean developer documentation that explains authentication, request flow, error handling, and rate limits in a straightforward way. For the documentation itself I usually keep it practical: clear endpoint sections, curl examples, and small code snippets so developers can test quickly. I can include examples for PHP and Node.js as requested, along with an OpenAPI/Swagger file and a Postman collection that mirrors the documentation. On the pricing side, I can help define a simple pay-as-you-go model with request pricing, quota limits, and throttling behaviour once limits are reached. I’ll also draft short terms wording so it can be placed directly on your site. Once I review your current endpoints, I should be able to deliver the documentation, pricing model, and developer resources within a few days. Happy to walk through the workflow with you once access is provided. Best
₹11,000 INR dalam 4 hari
3.3
3.3

As an experienced and skilled Full Stack Developer, my primary aim is to create robust and scalable systems that are user-friendly and time-efficient. With a strong command over the MEAN and MERN stack, this project is well within my purview. Not only can I deliver well-structured documentation for your API endpoints in Markdown or HTML format, but I can also facilitate immediate testing for developers with a Postman or Swagger collection mirroring the docs. In addition to my proficiency in front-end/backend development, I have substantial experience in designing and implementing optimized database architectures, ensuring your API remains secure and efficient. Also, my grasp of authentication techniques, especially with JWT and OAuth, will come handy as we're handling API-key-based authentication exclusively. I believe I can bring value to your developer-focused documentation strategy by providing detailed error codes with handlings tips and incorporating rate limits and quota rules relevant to the pricing package we devise. Furthermore, being proficient in PHP and Node.js, I can furnish you not just with comprehensive API documentation but also provide useful language snippets making it even easier for developers to integrate your impressive PAN card service into their apps.
₹8,000 INR dalam 10 hari
2.5
2.5

Dear ePanMitra Team, I am excited about the opportunity to work on your project to create a comprehensive API documentation package for your PAN Card services. With my expertise in PHP, JavaScript, API development, and web design, I am confident in delivering high-quality results that meet your requirements. I have a proven track record of creating user-friendly and detailed documentation for APIs, ensuring that developers have all the necessary information to integrate with ease. My experience in API testing and integration will also ensure that the documentation is accurate and thorough. I am committed to delivering a professional and polished final product that will seamlessly integrate into your portal and provide a smooth user experience on both desktop and mobile platforms. I look forward to the opportunity to collaborate with you on this project
₹8,000 INR dalam 3 hari
2.1
2.1

Hey — this is a great step forward for ePanMitra, and turning your internal APIs into a clean, commercial developer product is a smart move. I’d be happy to structure your API documentation and pricing model so it’s clear, professional, and easy for developers to start using immediately. I’m a full-stack developer with 7+ years of experience working on API design, SaaS platforms, and developer documentation (Swagger/OpenAPI, Postman, and production-ready docs). ⚫ I’ve worked on similar projects where internal APIs were transformed into public products with proper authentication, rate limiting, pricing models, and developer-friendly documentation. I’ll ensure the final output is clean, developer-friendly, and ready for onboarding resellers immediately. Looking forward to working on this ?
₹7,000 INR dalam 7 hari
1.9
1.9

Hello, I have check your requirement about create public api documentation for apis created in your webiste. i will help you to create this. Let's discuss more via chat. Thanks.
₹10,000 INR dalam 7 hari
0.5
0.5

Are you looking for a reliable software developer to bring your ideas to life? You're in the right place! I specialize in building scalable, efficient, and user-friendly software solutions for businesses, startups, and individuals. Whether you need a web application, backend system, or API integration, I deliver clean, well-documented, and maintainable code. ? What I Offer Custom Software Development Web Application Development (Frontend + Backend) RESTful API Development & Integration Database Design & Optimization Bug Fixing & Performance Improvements Deployment & Cloud Setup
₹7,000 INR dalam 1 hari
0.0
0.0

Hi there! I noticed that you are looking for a specialist to convert your internal PAN card generation and correction service into a commercial API with well-structured documentation and a user-friendly pay-as-you-go plan. I have experience working on similar projects where I transformed internal services into public APIs, ensuring comprehensive documentation and easy user onboarding. One question I have is regarding the rate limits and quota rules for the user plan. Could you provide more insights into the expected usage patterns and any specific requirements for throttling once the quota is reached? I look forward to collaborating with you to create professional documentation, a clear pricing model, and a seamless user experience for your API. Thanks, Tejbir Bhatia
₹7,000 INR dalam 7 hari
0.0
0.0

Hello, Hope you are doing well I’m Ishika Sharma. I have 5+ years of hands-on experience in building structured systems, API integrations, and developer-friendly solutions. I specialize in creating clean documentation, scalable workflows, and monetization models that are easy to understand and implement. From your requirements, I understand you want to convert your internal PAN services into a public API with clear documentation and a simple pay-as-you-go pricing model so developers can easily integrate and start using your service without confusion. How I Assist you Create clean, easy-to-understand API documentation with examples (curl, PHP, Node.js) Structure endpoints, error handling, and authentication (API keys) clearly Design a simple pay-as-you-go pricing and quota model Provide Swagger/Postman collection for quick testing Add a guide so you can easily update the docs in the future Estimated Timeline 7-10 working days for complete documentation, pricing model, and deliverables I’d be happy to discuss this further. Let’s connect at your convenience. Looking forward to working with you. Best Regards, Ishika
₹11,000 INR dalam 10 hari
0.0
0.0

I have 6+ years of experience in .NET systems, API design, and SaaS style platform architecture, including work where internal service layers had to be made clean and usable for external developer consumption. My approach would begin by reviewing your existing internal Postman collection, understanding request and response flow, then converting that into clean public documentation with consistent examples, error handling guidance, authentication usage, and pricing clarity. Since your portal may already include PHP based components, I am comfortable working with PHP as well if documentation embedding, API key flow, or portal side adjustments need to align with the current stack. .NET remains strong for structured API handling, but PHP integration on the existing portal is equally fine where practical. Technical approach • API documentation prepared in Markdown, HTML, or Swagger aligned for portal embedding • OpenAPI 3 / Swagger collection generated from current endpoints • Sample requests in curl, PHP, and Node.js • API key usage guide including creation, rotation, and request authentication • Error code reference with response handling notes • Rate limit and throttling documentation aligned to commercial usage Looking forward to work in this project.
₹7,000 INR dalam 7 hari
0.0
0.0

Bankura, India
Kaedah pembayaran disahkan
Ahli sejak Feb 7, 2026
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₹12500-37500 INR
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$250-750 USD
€250-750 EUR
₹1500-12500 INR
$250-750 USD
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₹250000-500000 INR
$100-150 USD
€250-750 EUR
$30-250 USD
₹12500-37500 INR
₹12500-37500 INR
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min ₹2500 INR / jam
$250-750 USD