← All endpoints
api.x-402.online v1 llm
https://api.x-402.online/v1/llm
payable
LLM inference pay-per-call, no account: prompt in, completion out (fast frontier-lab mini model, up to 2000 output tokens). Body: {prompt, system?, max_tokens?}
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.002
- Network
- base
- Pay to
- 0x2c871C2b8876dc35e9E19646FDa5ABF1cd27735F
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 256 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-10T09:14:00.223Z (1d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.x-402.online%2Fv1%2Fllm"