AltAPIs

API archive entry · source-reported

4chan

Simple image-based bulletin board dedicated to a variety of topics

Provider / source website

From the publisher

README & documentation

Source preview

Read the project’s overview, installation instructions and usage examples. The original README is the source of truth.

Data from the 4chan API is exclusively accessible from a.4cdn.org, via either http:// or https:// protocols. a.4cdn.org serves JSON representations of posts made at 4chan.org and 4channel.org boards. All examples in the documentation for the 4chan API use https://. CORS is supported from origins boards.4chan.org or boards.4channel.org, via http:// or https://.…

4chan/4chan-API on GitHub A short preview, not the full document.

Read the full README ↗ · Preview checked 2026-10-27T13:29:24.978Z

Inside the original README — Document outline
  1. 4chan API
  2. Welcome to the documentation for 4chan's read-only JSON API, originally launched in September of 201
  3. Getting started
  4. Table of contents
  5. API Rules
  6. API Terms of Service

Headings are captured from the source. Links open the publisher’s document, not a locally hosted copy.

Links from the README

References supplied by the publisher, not independently verified endorsements. Check the destination before downloading files or entering credentials.

Documentation belongs to its respective authors. A listing is not a grant of reuse or training rights. Confirm the document’s own terms at the source.

Access at a glance

These are reported access facts. Check the current documentation before integrating.

  • Authentication: No auth.
  • HTTPS: reported by the source.
  • Browser access (CORS): Yes.

Pricing and limits

Current plans, quotas, and rate limits have not been reviewed for this listing. Check the provider’s current terms; no authentication does not necessarily mean free usage.

Documentation and sources

Imported from public-apis/public-apis. A detailed editorial review has not been published yet.

Provider / source reference

public-apis/public-apis · MIT directory metadata

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Source reference

public-apis/public-apis

This page separates source-reported facts from questions that need live provider verification.