dunglas/httpsfv

A Go library to parse and serialize HTTP structured field values

30 commits

updated Sep 25, 2026

See the code

README

httpsfv: Structured Field Values for HTTP in Go

This Go (golang) library implements parsing and serialization for Structured Field Values for HTTP (RFC 9651 and 8941).

Features

Fully implementing the RFC
Compliant with the official test suite
Unit and fuzz tested
Strongly-typed
Fast (see the benchmark)
No dependencies

Docs

Browse the documentation on Go.dev.

Credits

Created by Kévin Dunglas. Sponsored by Les-Tilleuls.coop.

http

parsing

rfc8941

serialization

structured-fields

structured-headers

structured-trailers

Significant stargazers

Simon Ser

2,165 followers · starred Mar 2021

Ivan Trubach

58 followers · starred Mar 2021

Micah Hausler

332 followers · starred Jan 2021

MATSUBARA Nobutada

114 followers · starred Jun 2022

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dunglas/httpsfv

A Go library to parse and serialize HTTP structured field values

30 commits

updated Sep 25, 2026

See the code

README

httpsfv: Structured Field Values for HTTP in Go

This Go (golang) library implements parsing and serialization for Structured Field Values for HTTP (RFC 9651 and 8941).

Features

Fully implementing the RFC
Compliant with the official test suite
Unit and fuzz tested
Strongly-typed
Fast (see the benchmark)
No dependencies

Docs

Browse the documentation on Go.dev.

Credits

Created by Kévin Dunglas. Sponsored by Les-Tilleuls.coop.

http

parsing

rfc8941

serialization

structured-fields

structured-headers

structured-trailers

Significant stargazers

Simon Ser

2,165 followers · starred Mar 2021

Ivan Trubach

58 followers · starred Mar 2021

Micah Hausler

332 followers · starred Jan 2021

MATSUBARA Nobutada

114 followers · starred Jun 2022

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A Swift implementation of the HTTP Structured Header Field specification.

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google/go-querystring

go-querystring is Go library for encoding structs into URL query strings.

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pquerna/ffjson

faster JSON serialization for Go

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go-logfmt/logfmt

Package logfmt marshals and unmarshals logfmt messages.

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fxamacker/cbor

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