← All endpoints
token4u.ai chat completions
https://token4u.ai/v1/chat/completions
answers 402, partial
gpt-4o-mini API call (~128 tokens)
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
It advertises 4 ways to pay and only 2 of them are usable.- Price
- $0.003
- Network
- base
- Pay to
- 0x3ccC6565511f404716cAD2D578851ff3Ff95Fd85
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 453 ms
- Payment options
- 2 usable of 4
- Last checked
- 2026-09-06T01:08:17.761Z (22d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftoken4u.ai%2Fv1%2Fchat%2Fcompletions"