API Playground

Test your proxy endpoints live

Proxy Online

OpenAI-compatible

Request Builder

Base URL

Your deployed proxy endpoint

Authorization Key

Your proxy API key (sent as Bearer token)

This key is only used client-side for testing. Never expose provider keys here.

Model

System Prompt(optional)

User Message

Streaming (SSE)

Tokens stream in real-time

Temperature0.7

PreciseCreative

Max Tokens512

644096

POST/v1/chat/completions

Authorization: Bearer sk-proxy-you...
Content-Type: application/json

No response yet

Configure your request in the left panel and click Send Request to see the response here.

⚡

Stream mode

Watch tokens appear live

{}

Raw JSON

Inspect full response object

Ready

claude-sonnet-4-5

stream=true

POST /v1/chat/completions