API archive entry · source-reported

4chan

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

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

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.

Where these facts came from

AltAPIs imported it from public-apis/public-apis. The source link and dates remain visible for independent inspection.

What is reported

Name, category, and short description
Authentication label
HTTPS and CORS labels
Provider/source URL

What is not established

Current uptime or availability
Pricing, quotas, and rate limits
Security, compliance, or licensing posture
SDK quality or endpoint completeness

Record checkpoints

First observed: Sep 14, 2026
Last directory-field change: Sep 14, 2026
Current source observation: Nov 1, 2026

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Source reference

public-apis/public-apis

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