Go http.RoundTripper that emits open telemetry metrics. This helps you easily get metrics for all external APIs you interact with.

Go HTTP Server Middleware and Client Tripperware

Standards-compliant HTTP caching transport for Go clients (RFC 9111).

provide (http-server) middlewares and (http-client) tripperwares

Add priority-ordered failover to HTTP JSON-RPC clients in Go.

Awesome, quick golang HTTP client mocking! ✨

A Go library for recording HTTP client requests to HAR files.

implementation of http.RoundTripper/Transport with extra helpers

Domain fronting http.RoundTripper wrapper

Rate-limit outbound net/http requests with a composable RoundTripper.

http.RoundTripper which deduplicates similar HTTP requests

A HTTP RoundTripper with a local SQLite cache

Go library providing an HTTP RoundTripper with automatic proxy server pool management.

utility for before & after hooks on an http.RoundTripper

http.Client middleware to retry requests

Simple HTTP cache

Go http.Client RoundTripper implementation

High-performance, non-intrusive evidence capture for Go HTTP clients. Records verifiable HAR 1.2 exchanges with bounded streaming redaction, async delivery, and production-safe failure isolation.