jentic-public-apis

Name: jentic-public-apis
Author: jentic

Warning

Directory of OpenAPI specifications for thousands of public APIs. Every API is machine-readable and scored for AI agents. CC0.

263stars

36forks

Added 10/21/2026

Installation

# Add to your Claude Code skills
git clone https://github.com/jentic/jentic-public-apis

Getting Started

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Security ReportWarning

Last scanned: 10/21/2026

{
  "issues": [
    {
      "type": "clone-failed",
      "message": "Could not clone repository",
      "severity": "medium"
    }
  ],
  "status": "WARNING",
  "scannedAt": "2026-10-21T09:09:10.121Z",
  "npmAuditRan": false,
  "pipAuditRan": false
}

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README.md

Frequently Asked Questions

What is jentic-public-apis?

jentic-public-apis is an open-source ai agents skill for AI coding assistants such as Claude Code, Codex CLI, and ChatGPT, built by jentic. Directory of OpenAPI specifications for thousands of public APIs. Every API is machine-readable and scored for AI agents. CC0. It has 263 GitHub stars.

Is jentic-public-apis safe to use?

jentic-public-apis returned warnings in SkillsLLM's automated security scan. It has no critical vulnerabilities, but review the flagged issues in the Security Report section before adding it to your workflow.

How do I install jentic-public-apis?

Clone the repository with "git clone https://github.com/jentic/jentic-public-apis" and add it to your Claude Code skills directory (see the Installation section above).

Are there alternatives to jentic-public-apis?

Yes. SkillsLLM lists many other AI Agents skills you can browse and compare side by side. Open the AI Agents category from the badge at the top of this page, or use the Related Skills and comparison links further down to weigh jentic-public-apis against similar tools.

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⚠️ Third-Party Software Notice

This skill is third-party open-source software developed and hosted independently on GitHub. SkillsLLM is an informational directory and does not control or maintain the underlying repository.

Any security checks, ratings, or warnings displayed by SkillsLLM are automated and limited in scope. They do not constitute a security certification or guarantee that the software is safe, error-free, or free from malicious code, vulnerabilities, compromised dependencies, or prompt-injection risks.

Review the source code, permissions, dependencies, and configuration before installing or running any third-party skill. Use is at your own risk. To the maximum extent permitted by applicable law, SkillsLLM is not liable for losses arising from third-party software.

Read the Terms of Service

Jentic Public APIs

Join our community! Connect with contributors and users on Discord to discuss ideas, ask questions, and collaborate on the Jentic Public APIs repository.

Quick access API Index: 0 · 1 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z

Explore the API Directory

Every API has a machine-readable OpenAPI spec in this repository, and most carry an AI-readiness score right alongside it (a scorecard.json next to the spec; see AI-Readiness Scoring below).

Popular APIs

API	Category	OpenAPI spec
Stripe	Payments	📄 OpenAPI
OpenAI	AI/ML	📄 OpenAPI
Anthropic (Messages)	AI/ML	📄 OpenAPI
GitHub REST	Developer Tools	📄 OpenAPI
Slack Web API	Communications	📄 OpenAPI
Gmail	Productivity	📄 OpenAPI
Notion	Productivity	📄 OpenAPI
Shopify Admin	E-Commerce	📄 OpenAPI
Plaid	Finance	📄 OpenAPI
Discord	Communications	📄 OpenAPI
Linear	Developer Tools	📄 OpenAPI

Browse by category

The directory is organized into 22 categories. Below is a small sample from a few. Expand a section, then follow View all for every API in that category on jentic.com/apis.

API	OpenAPI spec
GitHub REST	📄 OpenAPI
Linear	📄 OpenAPI
Cloudflare	📄 OpenAPI
DigitalOcean	📄 OpenAPI

➡️ View all Developer Tools APIs →

API	OpenAPI spec
OpenAI	📄 OpenAPI
Anthropic (Messages)	📄 OpenAPI

➡️ View all AI/ML APIs →

API	OpenAPI spec
Stripe	📄 OpenAPI
Plaid	📄 OpenAPI
Xero Accounting	📄 OpenAPI

➡️ View all Payments · Finance APIs →

API	OpenAPI spec
Slack Web API	📄 OpenAPI
Discord	📄 OpenAPI
Twilio Messaging	📄 OpenAPI
SendGrid Mail	📄 OpenAPI

➡️ View all Communications APIs →

API	OpenAPI spec
Gmail	📄 OpenAPI
Google Calendar	📄 OpenAPI
Google Sheets	📄 OpenAPI
Notion	📄 OpenAPI

➡️ View all Productivity APIs →

Fun & niche APIs

The directory goes well beyond the usual suspects. Here's a taste of the long tail:

API	What it's for	OpenAPI spec
FaceCheck.ID	Reverse face sear