x402engine.app publishes 2 machine-payable endpoints over the x402 protocol, priced from $0.003 to $0.2897 per call. Each was probed directly; the response code below is what it returned.
| Endpoint | Method | Price | Probe |
|---|---|---|---|
| /api/llm/deepseek-v4-flash-0731 | GET | $0.003 | 200 |
| /api/llm/gpt-6-astra | GET | $0.2897 | 200 |
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