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token4u.ai chat completions
https://token4u.ai/v1/chat/completions
payable, 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 5 ways to pay and only 3 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
- 407 ms
- Payment options
- 3 usable of 5
- Last checked
- 2026-08-10T09:09:39.677Z (3d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftoken4u.ai%2Fv1%2Fchat%2Fcompletions"