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redbtco.com chat 5.4-mini
https://redbtco.com/x402/redbtc/chat/5.4-mini
answers 402
Cheapest RedBTC agent chat route. Fixed gpt-5.4-mini, no API key, USDC per call, hard capped for safe autonomous use.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.001
- Network
- base
- Pay to
- 0x046A26665429A12448316a3029A2f2CcF8EECd12
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 60 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:19:34.575Z (20d ago)
- Category
- ai-inference
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fredbtco.com%2Fx402%2Fredbtc%2Fchat%2F5.4-mini"