
Closed
Posted
Paid on delivery
I’m ready to turn PageVault’s lightning-fast compression API into the backbone of a multi-channel eBook storefront. The core task is to wire the existing REST endpoints so they not only shrink large publication files on the fly but also let customers purchase and download them seamlessly. Here’s what the finished solution should do: • Accept an uploader’s original EPUB, MOBI or PDF, route it through the PageVault compression service, then store the optimized asset in my cloud bucket. • Push the final, compliant files to Amazon Kindle, Apple iBooks and Google Play Books from a single dashboard, keeping each platform’s metadata requirements in mind. • Present buyers with a secure payment gateway (Stripe preferred, though I’m open to another PCI-compliant option) and deliver the correct format once payment clears. • Log every transaction and transfer so I can audit royalties and storage savings later. You can use Node.js, Python or Go—whatever fits best with the PageVault JSON API—but the code needs to be clean, well-documented and container-ready (Docker). A short README that lets me spin it up locally, plus Postman or Swagger docs for each route, will be the acceptance criteria. If you’ve connected apps to Kindle Direct Publishing, Apple Books Partner Center or Google Books Partner APIs before, that experience will help us go live faster.
Project ID: 40430405
126 proposals
Remote project
Active 3 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
126 freelancers are bidding on average $520 USD for this job

⭐⭐⭐⭐⭐ Create a Multi-Channel eBook Storefront with PageVault API ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you're looking for a solution to build a multi-channel eBook storefront. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for eBook solutions. I will connect the existing REST endpoints to shrink publication files and enable seamless purchases and downloads for customers. ➡️ Why Me? I can easily create your eBook storefront as I have 5 years of experience in API integration, cloud storage, and payment systems. My expertise includes working with Node.js, Python, and Go, ensuring clean and well-documented code. I also have a strong grip on cloud services and secure payment gateways, which will help streamline your project. ➡️ Let's have a quick chat to discuss your project in detail and I can show you samples of my previous work. Looking forward to discussing this with you! ➡️ Skills & Experience: ✅ API Integration ✅ Cloud Storage Solutions ✅ Payment Gateway Implementation ✅ Node.js Development ✅ Python Programming ✅ Go Programming ✅ eBook Format Handling ✅ Docker Containerization ✅ System Documentation ✅ Metadata Management ✅ Transaction Logging ✅ Project Management Waiting for your response! Best Regards, Zohaib
$350 USD in 2 days
8.0
8.0

⭐⭐⭐⭐⭐ • Project Proposal for PageVault eBook Store Integration • We understand the requirement to integrate PageVault's compression API with upload processing, cloud storage, multi-platform publishing to Amazon Kindle, Apple iBooks, Google Play, Stripe payments, and detailed transaction logging. • Our Solution: Build a Node.js-based REST API that accepts EPUB, MOBI, PDF files, compresses them via PageVault, stores optimized assets, and enables seamless distribution and sales. • Features include secure Stripe integration for purchases, automated file delivery, and platform-specific metadata handling from a unified dashboard. • Code will be clean, well-documented, and fully Dockerized. • CnELIndia Team Support Steps: 1. Schedule discovery call to align on specs and APIs. 2. Develop core upload and compression module. 3. Integrate publishing partners and payment gateway. 4. Conduct rigorous testing for security and flows. 5. Provide deployment, README, Swagger docs, and post-launch support for successful go-live.
$500 USD in 7 days
7.8
7.8

Interesting project, I will build the integration layer that routes uploads through PageVault's compression API, stores optimized EPUBs/MOBIs/PDFs in your cloud bucket, and connects Stripe checkout to format-specific delivery — all containerized with Docker and documented via Swagger. One thing worth planning early: each distributor (KDP, Apple Books, Google Play) enforces different metadata schemas and file constraints. I will build a normalization layer that maps your single metadata input to each platform's required format — so you manage one dashboard while the API handles per-channel compliance automatically. This prevents rejected submissions down the line. Questions: 1) Which cloud provider are you using for storage — S3, GCS, or another? Looking forward to discussing further. Best regards, Kamran
$277 USD in 10 days
7.6
7.6

Hi there, We’ve built similar multi-vendor platforms where sellers can upload products and buyers can purchase them. We also integrated Stripe and PayPal for secure transactions, ensuring that sellers receive payments only after buyers confirm delivery. In your case, we can create a separate product type for eBooks, allowing sellers to upload files and set prices. We can also implement a subscription model where sellers can pay a monthly fee to list their products. We’ve developed a fully functional eCommerce platform called Descripio, where we integrated multiple payment gateways and worked closely with Amazon’s MWS API to manage product listings, orders, and inventory. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best, Adil
$550 USD in 7 days
6.9
6.9

Hello! As per your project post, you’re looking to build an eBook Store API Integration System that connects your PageVault compression API with a full digital publishing and storefront workflow. The goal is to enable seamless upload, compression, secure storage, multi platform publishing, and paid distribution of eBooks across Kindle, Apple Books, and Google Play Books, all managed from a single system with proper logging and transaction tracking. My focus will be on delivering a complete backend integration solution, featuring: PageVault API integration for EPUB, MOBI, and PDF compression, automated cloud storage handling, metadata management, secure payment integration using Stripe or similar PCI compliant gateway, digital delivery after successful payment, multi platform publishing pipeline for major eBook stores, and full audit logs for uploads, sales, and distribution activity. I specialize in building API driven backend systems using Node.js, Python, AWS, and cloud infrastructure with expertise in payment integrations, content workflows, and automation systems. My focus will be on creating a reliable and scalable architecture that simplifies publishing and monetization while maintaining performance and security. Let’s connect to review your PageVault API structure, publishing workflow, and cloud setup so we can finalize the integration approach and development roadmap. Best regards, Nikita Gupta.
$300 USD in 7 days
6.7
6.7

Your platform distribution strategy has a critical gap - Apple Books and Google Play both reject files above certain size thresholds AND require specific DRM wrappers that break if you compress after signing. If you compress first then sign, you'll pass validation, but most developers wire this backward and waste weeks in rejection loops. Before I map the integration flow, two questions will save you from expensive rework: Do you already have publisher accounts with KDP, Apple Books Partner and Google Play, or do I need to factor in the 4-6 week approval cycle for new accounts? And what's your expected catalog size - are we talking 50 titles or 5,000, because that changes whether we batch-process uploads or stream them through Lambda? Here's the architectural approach: - NODE.JS + EXPRESS: Build the orchestration layer that accepts uploads, calls PageVault's compression API with retry logic, then routes optimized files to the correct platform based on format requirements (KDP needs MOBI with X-Ray metadata, Apple requires EPUB3 with iBooks-specific tags). - STRIPE WEBHOOKS: Implement idempotent payment handling so if a customer's network drops mid-purchase, they don't get double-charged. I'll set up webhook signatures and store transaction IDs in PostgreSQL for your royalty audits. - DOCKER + REDIS: Containerize the service with Redis queues so large file uploads don't block API responses. A 200MB PDF compression job shouldn't freeze checkout for other customers. - PLATFORM API INTEGRATION: Connect to KDP Content API, Apple Transporter CLI and Google Books Partner API with proper OAuth flows. I've done this for two publishing clients - the trick is handling Apple's notoriously vague error codes and Google's 50MB upload chunk limits. - AUDIT LOGGING: Structure logs in JSON so you can pipe them into CloudWatch or Datadog and track compression ratios, failed deliveries and payment reconciliation without grep-ing text files. I've built similar multi-platform distribution systems for a textbook publisher that went from manual uploads to automated delivery across 8 storefronts. Let's schedule a 20-minute call to walk through PageVault's rate limits and your DRM requirements before I draft the technical spec.
$450 USD in 10 days
7.2
7.2

Hi, Your PageVault storefront idea is a strong API driven project, and I can help build the backend that connects compression, cloud storage, marketplace distribution, payments, and audit logging into one clean workflow. I have experience with REST API integrations, Node.js and Python backends, Docker based deployments, payment gateway integration, file processing pipelines, cloud storage, and dashboard driven automation. For your project, I would create a secure upload flow for EPUB, MOBI, and PDF files, send them through the PageVault JSON API, store optimized files in your cloud bucket, and expose a dashboard to manage metadata, transfers, and downloads. I can also integrate Stripe checkout so customers receive the correct format only after successful payment, while logging each compression job, download, transfer, and transaction for royalty and storage reporting. For Kindle, Apple Books, and Google Play Books distribution, I would review each platform’s available API or submission workflow and build the most reliable connector or export process. The final delivery would include clean container ready code, Docker setup, README instructions, and Swagger or Postman API documentation. I’m ready to review the PageVault API details and design the first working version. Best, Justin
$500 USD in 7 days
6.4
6.4

With PageVault, your eBook store will have an optimized and efficient backend solution. We have immense experience in API Development, JavaScript, and Python - crucial skills for this project. Einnovention's seasoned team of developers understands the importance of clean, well-documented code that is easily containerized for deployment. A mature understanding of REST-ful architecture combined with immense Python expertise means we can wire every endpoint to suit your needs perfectly. Furthermore, we have successfully integrated numerous APIs over the years and this includes working with Kindle Direct Publishing, Apple Books Partner Center, and Google Books Partner APIs. This intimate knowledge of integrating with popular eBook platforms ensures an expeditious and seamless setup process. Moreover, our 4.9/5 rating showcases client satisfaction and our willingness to go above and beyond for long-term partnerships. We also offer free consultations which I believe would be crucial as we work together to make the best solution including which payment gateway fits your needs best! Trust Einnovention to take your digital transformation journey to the next level - we will turn your brilliant idea into a robust platform that delivers exactly what you need - on time, on budget, and most importantly, beyond expectations.
$500 USD in 7 days
6.6
6.6

Dear Client, Hello There! I’m Md Toriqul Islam, and I’m excited to partner with you & I can dive into your project immediately. I understand you need a multi-channel eBook storefront using PageVault API—compression, cloud storage, publishing to KDP/Apple/Google Books, Stripe payments, and transaction logging. I'm skilled in Node.js/Python, REST API integration (PageVault), KDP/Apple Books/Google Books Partner APIs, Stripe PCI-compliant checkout, cloud storage (AWS S3), and Docker-ready documentation. Feel free to share additional details or ask questions. I’m happy to refine my approach to fit your needs. Looking forward to hearing from you. Best regards, Md Toriqul Islam.
$250 USD in 5 days
5.9
5.9

Hello, I understand you need to integrate PageVault’s compression API into an eBook storefront, handling file compression, secure purchasing, and distribution to major platforms. I’m Taiwo, a UK-based Senior Software Developer with 10 years of experience. My background includes building backend systems for IBM, the UK Government, BMW, and Sky. I have experience with Python, Docker, and third-party API integrations. My approach involves: • Setting up the API integration with PageVault for file compression and storage. • Developing a dashboard for pushing compliant files to Amazon Kindle, Apple iBooks, and Google Play Books, addressing their metadata needs. • Implementing a secure payment gateway (Stripe preferred) and automated delivery system. • Creating a logging system for audit purposes. Relevant experience: ⏺ Equity Share: Built backend functionality for a US real estate crowdfunding platform with a focus on secure, scalable application logic. ⏺ Sky: Developed and delivered in-house sky components. ⏺ Information Grid Ltd: Built backend microservices that integrates to different Web application and IOT Smart cleaning devices. I'll ensure clean, well-documented, container-ready code. If this aligns with your needs, let's discuss the next steps to get started.
$600 USD in 7 days
5.8
5.8

Hi There!!! ★★★★ ( API integration for eBook compression, payments & multi-platform publishing workflow ) ★★★★ Project understanding: I understand you need a backend system that integrates PageVault API to compress EPUB/MOBI/PDF files, store optimized assets, and distribute them to Kindle, Apple Books, and Google Play Books. It also needs Stripe-based payments, secure file delivery, and full transaction logging for audits. ⚜ Integrate PageVault REST API for file compression pipeline ⚜ Build upload flow for EPUB, MOBI, PDF with cloud storage handling ⚜ Implement multi-platform publishing (Kindle, Apple Books, Google Books APIs) ⚜ Stripe payment gateway integration with secure digital delivery system ⚜ Transaction logging system for royalties and audit tracking ⚜ Dockerized backend (Node.js/Python/Go) with clean architecture ⚜ Swagger/Postman API documentation + local setup guide My approach will be a modular microservice-style backend: first PageVault compression pipeline, then storage layer, followed by payment + delivery system, and finally multi-platform publishing connectors with proper logging and documentation. Let’s connect and I can structure a clean, scalable system that’s easy for you to extend later. Warm Regards, Farhin B.
$256 USD in 10 days
6.3
6.3

Hi, I can build the eBook storefront backend around the PageVault compression API with a clean upload, compression, storage, purchase, and download workflow. I have strong experience integrating REST APIs, cloud storage, Stripe payments, secure file delivery, transaction logging, Dockerized services, and documented backend routes. For the technical approach, I would create a container-ready Node.js or Python service that accepts EPUB, MOBI, and PDF uploads, sends them through PageVault, stores the optimized assets in your cloud bucket, and tracks file size reduction, format, uploader, and transfer status. The buyer flow would connect Stripe payment confirmation to controlled download access so customers only receive the correct file after payment clears. For distribution, I can structure the dashboard to manage metadata and publishing workflows for Kindle, Apple Books, and Google Play Books, while accounting for each platform’s required fields and submission rules. Where direct API publishing is limited by platform permissions, I can still build a reliable export/submission workflow with clear status tracking and audit logs. I’ll also include Swagger or Postman documentation, a README for local setup, environment variables, Docker instructions, and clean logging for transactions, transfers, royalties, and storage savings. My focus would be a maintainable system that connects compression, commerce, and multi-channel delivery into one reliable workflow.
$250 USD in 7 days
5.5
5.5

Hi, As per my understanding: You need a container-ready multi-channel eBook distribution platform integrated with the PageVault compression API. The system should process EPUB, MOBI, and PDF uploads, compress and optimize them automatically, store them securely in cloud storage, distribute them to Kindle, Apple Books, and Google Play Books, and provide customers with secure purchasing and format-specific downloads while maintaining complete transaction and royalty tracking. Implementation approach: I will build a scalable backend using Node.js or Python with RESTful APIs for upload, compression, distribution, payment processing, and download management. The workflow will automate file validation, PageVault API processing, cloud storage integration, metadata mapping for each publishing platform, and secure Stripe-based payment handling. The system will also include transaction logging, audit reporting, Docker containerization, Swagger/Postman API documentation, and deployment-ready architecture with clean code and modular services for future scalability. A few quick questions: 1. Which cloud storage provider are you planning to use for asset storage (AWS S3, Google Cloud Storage, Azure, etc.)? 2. Do you already have publisher accounts/API access for Kindle, Apple Books, and Google Play Books? 3. Will the storefront frontend also be part of this project, or only the backend/API infrastructure?
$298 USD in 7 days
5.5
5.5

Hello there, we are a team of senior Full Stack Web and Mobile App Developers and we can do this project in no time. Please, send me a message to discuss the work. Thanks Ashish Kumar.
$600 USD in 7 days
5.7
5.7

Greetings, I’m excited about the chance to work on integrating PageVault’s compression API into your eBook storefront. The goal is to create a seamless process for users to upload their publications, optimize them, and publish across multiple platforms like Amazon and Apple Books. I’d approach this by developing a clean and well-documented API that efficiently handles file uploads, compression, and distribution, while ensuring compliance with each platform's requirements. With experience in Node.js and payment gateway integrations, I can implement a secure checkout process using Stripe and log all transactions for easy auditing. My focus will be on creating a solid foundation that allows for future scalability and ease of use, ensuring your multi-channel storefront operates smoothly. Best regards, Saba Ehsan
$500 USD in 4 days
5.4
5.4

I see you're turning PageVault’s compression API into a full eBook commerce pipeline spanning upload, optimization, and multi-store distribution. The real challenge is keeping format conversion, payments, and platform publishing in sync without overhead. I would wire your REST layer in Node.js, orchestrating uploads through PageVault, then pushing optimized assets to your cloud storage with consistent versioning. A payment flow via Stripe will gate downloads, issuing secure signed URLs only after confirmation. Platform publishing will be abstracted into adapters for Kindle, Apple Books, and Google Play Books to handle metadata differences cleanly. Everything will be containerized with Docker and documented via Swagger/Postman for local setup. Goal is a single reliable pipeline that removes manual publishing and keeps every transaction traceable. Q1: Do you already have API access credentials for Kindle Direct Publishing, Apple Books, and Google Books? Q2: Should compression run synchronously on upload or via background queue for large files? Q3: Do you need role-based admin controls for tracking publishers and royalties?
$500 USD in 7 days
5.4
5.4

Hello, hope you are doing well. I can build your multi-channel eBook storefront by integrating the PageVault compression API with secure upload, automated file optimization, cloud storage, payment processing, and delivery workflows. The system will support EPUB, MOBI, and PDF handling, platform distribution (Kindle, Apple Books, Google Play Books), transaction logging, and a clean Docker-ready backend with API documentation and deployment instructions. Regards, Webzone Network
$250 USD in 7 days
4.9
4.9

I have extensive experience building high-performance asset distribution systems where optimizing file delivery is critical for user satisfaction. Your strategy to integrate PageVault’s compression API into a multi-channel eBook store is a smart way to maintain speed; I have previously engineered similar pipelines that slashed bandwidth consumption significantly through intelligent API-driven compression. I am ready to turn PageVault into the robust backbone of your distribution architecture, ensuring that every asset is perfectly optimized before it reaches your customers on any platform. To achieve this, I will develop a custom backend middleware utilizing Node.js to orchestrate the API handshake between your repository and PageVault. I’ll implement an asynchronous processing queue using Redis to handle bulk file operations without latency, paired with automated logic that syncs optimized files across your sales channels via RESTful APIs. Security is paramount; I will ensure API keys are managed via secure environment variables and assets are staged in an S3 bucket with CloudFront CDN integration for low-latency delivery. Does your workflow require specific Digital Rights Management (DRM) layers post-compression, or are we focusing on standard EPUB and PDF optimization? Do you have a preferred tech stack for the dashboard, or should I propose a headless architecture for better compatibility? I would welcome the opportunity to discuss how we can map your requirements to the PageVault workflow—let me know if you are free for a brief chat to align on the technical roadmap and milestones.
$627 USD in 21 days
5.0
5.0

Hello, I will create a multi-channel ebook storefront using node.js connected to the pagevault compression api to automatically optimize epub, mobi, and pdf files before storing them in your cloud bucket. the system will push final files to kindle, apple ibooks, and google play books while meeting each platform’s metadata requirements, and buyers will complete purchases through a stripe payment gateway with automatic delivery of the correct format. all transactions and transfers will be logged for auditing royalties and storage savings. the code will be container-ready with docker, fully documented, and accompanied by a readme plus postman documentation for every endpoint. with experience integrating publishing platforms and payment workflows, i can deliver a clean, reliable, and fast solution that connects compression, sales, and distribution efficiently. Let's have a detailed discussion, as it will help me give you a complete plan, including a timeline and estimated budget. I will share my portfolio in chat I look forward to hear from you. Thanks Best Regards, Mughira
$500 USD in 7 days
4.9
4.9

Hello there, I hope you’re doing well. I’m an independent developer with solid experience building REST APIs, Docker-ready deployments, and PCI-compliant payment integrations. I’ll wire PageVault’s compression endpoints into a clean, scalable service that can accept EPUB/MOBI/PDF, compress on the fly, and store the results in your cloud bucket, all with a solid audit trail. I've built end-to-end workflows that publish to Kindle, Apple Books, and Google Play via partner APIs, while handling metadata normalization and secure delivery after payment. I’ll use a lightweight, well-documented stack (Node.js, Python, or Go, your call) and containerize it with Docker. Expect a readable README, and Postman or Swagger docs for every route. The solution will log every transaction to support royalties auditing and storage savings analysis. I can handle this with a simple MVP first, then iterate. If you confirm a preferred language and Stripe vs another PCI option, I’ll deliver a concrete sprint plan and a working starter in days. Best regards, Billy Bryan
$250 USD in 3 days
4.7
4.7

Al Waqf, Egypt
Member since May 9, 2026
$3000-5000 USD
$8-15 USD / hour
₹75000-150000 INR
₹1500-12500 INR
₹75000-150000 INR
₹1500-12500 INR
$30-250 USD
₹1500-12500 INR
$250-750 USD
₹12500-37500 INR
₹12500-37500 INR
$30-250 USD
₹500 INR
₹12500-37500 INR
$10-30 USD
₹1500-12500 INR
€3000-5000 EUR
₹12500-37500 INR
$10-50 CAD
₹12500-37500 INR