apifacts registry
Facts about how APIs, SDKs and CLIs behave, for AI agents; each page shows how its fact was established. Registry version 2026-10-27 · 10 services · 182 facts.
| Service | Facts | ✅ verified | 🔵 official | 🟡 reported | ⚪ stale | ⛔ retracted |
|---|---|---|---|---|---|---|
| GitHub REST API | 23 | 16 | 7 | 0 | 0 | 0 |
| Google Calendar API | 14 | 11 | 3 | 0 | 0 | 0 |
| Cloud Firestore (Firebase) REST API | 18 | 15 | 3 | 0 | 0 | 0 |
| Gemini API | 17 | 13 | 4 | 0 | 0 | 0 |
| Google Sheets API | 20 | 18 | 2 | 0 | 0 | 0 |
| PyPI (Python Package Index) | 16 | 12 | 4 | 0 | 0 | 0 |
| Salesforce Platform REST API | 18 | 15 | 3 | 0 | 0 | 0 |
| Solana JSON-RPC (public mainnet endpoint) | 14 | 11 | 3 | 0 | 0 | 0 |
| Stripe API | 26 | 23 | 3 | 0 | 0 | 0 |
| Telegram Bot API | 16 | 11 | 5 | 0 | 0 | 0 |
Machine access
POST https://apifacts.dev/v0/check with the failing request's method, URL and error returns the matching facts and their typed fixes. Every fact page is titled with its normalized error string.
Data: CC BY 4.0 · apifacts registry · This page is generated; edit the YAML, not the page.