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Tags: Backend and APIs
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361–384 of 553 · Most stars

Fully feature complete YAML parser and emitter, supporting the latest YAML spec and passing the full YAML testsuite.

Self-hosted, non-custodial stablecoin payment gateway with x402 and invoice checkout. Accepts USDC, USDT, PYUSD and DAI across 8 networks with QR payments, payment links, settlement tracking and signed webhooks. REST API, micropayments, exports, zero platform fees and no KYC. Python, cross-platform.

  • coinbase-x402
  • coinpayments-api
  • crypto-checkout-form
  • crypto-payment-system

A Lean backend framework whose authorization safety is formally proven. The developer writes only a Cedar schema and policies; handlers are built on Supabase Auth and PostgreSQL.

An opinionated HTTP library for .NET applications built on HttpClient message handlers. Provides request de-duplication, prioritised concurrency limiting, speculative background fetching and optional response caching.

A reasonably fast, easy to use and 100% conformant Elixir library for Google Protocol Buffers (aka protobuf)

  • protobuf
  • elixir
  • protocol-buffers
  • protobuf-message

Header-only, lightweight C++ library for binary streaming & serialization. Network data handling made easy peasy!

  • binary-stream
  • header-only
  • serialisation
  • serialization

Switchboard - easy and super light weight A/B testing for your mobile iPhone or android app. This mobile A/B testing framework allows you with minimal servers to run large amounts of mobile users.