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gpt55.558686.xyz completions standard
https://gpt55.558686.xyz/v1/chat/completions/standard
payable
GPT-5.6 Luna chat for mainstream short answers, routing decisions, extraction helpers, and buyer trials. The legacy mini path remains available as a compatibility alias. Model tier: GPT-5.6 Luna Standard; upstream model: gpt-5.6-luna. Pay up to $0.00293 per request with x402 USDC on Base or choose the fixed-price Solana USDC option when advertised. Exact fixed-price payment and Base upto token-met
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.0029
- Network
- base
- Pay to
- 0x1f0130669ca6fd02e025a984cc038f139df19a2f
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 715 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:14:59.073Z (3d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fgpt55.558686.xyz%2Fv1%2Fchat%2Fcompletions%2Fstandard"