FREESOURCES
  • FREESOURCES
    • Analytics, Events and Statistics
    • APIs, Data and ML
    • Artifact Repos
    • Authentication, Authorization and User Management
    • BaaS
    • Browser Based Hardware Emulation Written in Javascript
    • CDN and Protection
    • CI and CD
    • CMS
    • Cloud Management Solutions
    • Code Quality
    • Code Search and Browsing
    • Commenting Platforms
    • Crash and Exception Handling
    • DBaaS
    • DNS
    • Data Visualization on Maps
    • Design Inspiration
    • Design and UI
    • Dev Blogging Sites
    • Docker Related
    • Domain
    • Email
    • Flutter Related and Building IOS Apps without Mac
    • Font
    • Forms
    • Game Development
    • IDE and Code Editing
    • IaaS
    • International Mobile Number Verification API and SDK
    • Issue Tracking and Project Management
    • Log Management
    • Major Cloud Providers
    • Management System
    • Messaging and Streaming
    • Miscellaneous
    • Monitoring
    • Non-Dev
    • Other Free Resources
    • PaaS
    • Package Build System
    • Payment and Billing Integration
    • Privacy Management
    • Remote Desktop Tools
    • Screenshot APIs
    • Search
    • Security and PKI
    • Software DevDesign Tools
    • Source Code Repos
    • Storage and Media Processing
    • Testing
    • Tools for Teams and Collaboration
    • Translation Management
    • Tunneling, WebRTC, Web Socket Servers and Other Routers
    • Vagrant Related
    • Visitor Session Recording
    • Web Hosting
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  1. FREESOURCES

Payment and Billing Integration

Payment and Billing Integration

  • Adapty.io–One-stop solution with open-source SDK for mobile in-app subscriptions integration to iOS, Android, React Native, Flutter, Unity, or web app. Free up to $10k monthly revenue.

  • CurrencyFreaks—Provides current and historical currency exchange rates. Free DEVELOPER plan available with 1000 requests/month.

  • CurrencyApi—Live Currency Rates for Physical and Crypto currencies, delivered in JSON and XML. Free tier offers 1,250 API requests/month.

  • currencylayer—Reliable Exchange Rates and Currency Conversion for your Business, 1,000 API requests/month free

  • currencystack.io—Production-ready real-time exchange rates for 154 currencies.

  • exchangerate-api.com - An easy to use currency conversion JSON API. Free tier with no request limit.

  • FraudLabsPRO—Help merchants to prevent payment fraud and chargebacks. Free Micro Plan available with 500 queries/month.

  • MailPopin - Get the most of your Stripe notifications with contextualized information.

  • Nami ML - Complete platform for in-app purchases and subscriptions on iOS and Android, including no-code paywalls, CRM, and analytics. Free for all base features to run an IAP business.

  • RevenueCat—Hosted backend for in-app purchases and subscriptions (iOS and Android). Free up to $10k/mo in tracked revenue.

  • vatlayer—Instant VAT number validation and EU VAT rates API, free 100 API requests/month

  • Freecurrencyapi.net—Free currency conversion and exchange rate data API. 10 requests/hour without an API key, 50 000 requests per month when you register for free.

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Last updated 2 years ago

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