Connect your agent
For agents: JSON · MCP

Chat completions - pro tier

x402Grade BLast checked 4 hours ago

POST https://agent402.tools/v1/pro/chat/completions

OpenAI-compatible chat completions, pro tier: gpt-4o, gpt-4.1, claude sonnet, gemini pro, grok - paid per call in USDC over x402. Same wire format as /v1/chat/completions with higher input/output caps (48k chars in, 4096 tokens out).

Price$0.1per model request · paid in USD on Base
Uptime100%
3/3 probes · 329 ms
Score73Grade B
Paid usage, 30 days1payers · 2 calls

How to buy

This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.

curl -i -X POST "https://agent402.tools/v1/pro/chat/completions"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the response

Recent checks

Checked (UTC)ResultStatusTimeLive price
2026-10-11 06:45Valid 402402369 ms$0.1
2026-10-11 02:15Valid 402402201 ms$0.1
2026-10-10 21:45Valid 402402329 ms$0.1

Receipts

No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.

What a check proves