OpenAI

AI · Unknown · 30d uptime 100%

OpenAI API provides programmatic access to OpenAI's AI models including GPT-5, GPT-4o, DALL-E, Whisper, and Codex. Build chatbots, image generation, text embeddings, audio transcription, and intelligent agents. Supports REST, WebSocket (realtime), and streaming (SSE) interfaces with official SDKs in Python, Node.js, .NET, Go, and Java.

Trust signals

Pricing

PAID

Auth

API_KEY

CORS

No

Rate limit

Tier-based (Free to Tier 5). Free: $100/mo limit. Tier 1: $5 paid required. Tier 5: $1,000 paid. RPM and TPM vary by model and tier.

Health

254ms

Trust score

93 (A)

Excellent production-readiness signals.

Links

Homepageopenai.com
Documentationplatform.openai.com/docs/api-reference
Base URLapi.openai.com/v1/
OpenAPI specraw.githubusercontent.com/openai/openai-openapi/master/openapi.yaml

Integration checklist

Auth is API_KEY
No CORS — route calls through your backend.
Rate limit: Tier-based (Free to Tier 5). Free: $100/mo limit. Tier 1: $5 paid required. Tier 5: $1,000 paid. RPM and TPM vary by model and tier.

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