clink-lithium-vault.fly.dev
POST https://clink-lithium-vault.fly.dev/llm/chat
Claude API for AI agents, pay per token, no API key or account - POST an Anthropic Messages request (messages, system, tools, tool_choice, thinking) and get the full response back. Claude Opus 5, Sonnet 5, Haiku 4.5. Tool calling / function calling supported. Billed on actual usage at list price + 25%, capped at $0.25 per call (x402 upto scheme). LLM inference, chat completions, keyless Claude, Anthropic proxy. Free price sheet: /llm/models.
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X POST "https://clink-lithium-vault.fly.dev/llm/chat"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 11:31 | Valid 402 | 402 | 467 ms | $0.25 |
| 2026-10-11 07:15 | Valid 402 | 402 | 651 ms | $0.25 |
| 2026-10-11 02:45 | Valid 402 | 402 | 1334 ms | $0.25 |
| 2026-10-10 22:15 | Valid 402 | 402 | 1039 ms | $0.25 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves