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Source-backed reference library

API Limits

Published limits, authentication scopes, response headers, retry behavior, and official documentation for widely used APIs.

15 published resources

Every factual limit links to an official source and verification date.

Developer Platforms Verified

GitHub REST API

Published primary and secondary limits, response headers, and retry guidance for the GitHub REST API.

Common primary limit5,000 requests per hour for most authenticated users
Open resource →
Payments Verified

Stripe API

Published global, endpoint, resource-specific, concurrency, and allocation limits for the Stripe API.

Common primary limit100 requests per second globally in live mode
Open resource →
AI and Machine Learning Verified

OpenAI API

Account-, project-, model-, and tier-specific API limits, response headers, and retry guidance for OpenAI.

Common primary limitVaries by model, project, and usage tier
Open resource →
AI and Machine Learning Verified

Anthropic API

Usage-tier and model-specific request and token limits, spend caps, response headers, and retry guidance for Anthropic.

Common primary limitVaries by model and usage tier
Open resource →
Communication Verified

Discord HTTP API

Dynamic route buckets, the global bot limit, invalid-request enforcement, response headers, and 429 handling for Discord.

Common primary limit50 requests per second globally for bots and users
Open resource →
Infrastructure Verified

Cloudflare API

Client API, source-IP, GraphQL, and token quota limits with Cloudflare's current response headers.

Common primary limit1,200 requests per 5 minutes per user or account token
Open resource →
Storage Verified

Dropbox API

Provider-defined authorization limits, Retry-After behavior, write conflicts, and batching guidance for Dropbox.

Common primary limitProvider-defined per authorization, user, team, or namespace
Open resource →
Developer Platforms Verified

GitLab API

Endpoint-specific GitLab limits plus configurable Self-Managed user and IP throttles and response headers.

Common primary limitEndpoint-specific and configurable by deployment
Open resource →
Maps and Location Verified

Google Maps Platform APIs

Geocoding query limits and the project and API-specific quota model used across Google Maps Platform.

Common primary limit3,000 geocoding queries per minute per project
Open resource →
CRM Verified

HubSpot API

Public OAuth and private app limits by account tier, daily quotas, response headers, and Forms protection.

Common primary limit110 requests per 10 seconds for public OAuth apps
Open resource →
Productivity Verified

Linear GraphQL API

Request and GraphQL complexity allowances with endpoint-specific headers for Linear integrations.

Common primary limit2,500 API-key or 5,000 OAuth requests per hour
Open resource →
Productivity Verified

Notion API

Per-connection request rates, shared workspace capacity, Retry-After behavior, and overload handling for Notion.

Common primary limitAverage 3 requests per second per connection
Open resource →
Email Verified

Twilio SendGrid API

Mail Send, recipient, Email Activity, and Email Address Validation limits with Web API headers.

Common primary limit10,000 Mail Send requests per second
Open resource →
Commerce Verified

Shopify APIs

Current GraphQL Admin cost limits by plan plus legacy REST Admin rates and response headers.

Common primary limit100 GraphQL cost points per second on standard plans
Open resource →
Communication Verified

Slack APIs

Web API method tiers, message posting, Events API delivery, Retry-After, and app-specific variations.

Common primary limitTiered by method, at least 1 to 100 requests per minute
Open resource →