Embeddings (OpenAI-compatible)
POST https://agent402.tools/v1/embeddings
OpenAI-compatible text embeddings (text-embedding-3-small by default; 3-large and ada-002 supported), up to 64 inputs or 16k chars per call, returned in the standard OpenAI shape. Identical inputs repeated within 10 minutes are served free from cache. Use it for semantic search, clustering and retrieval from any OpenAI SDK by changing base_url.
Warnings
Wallet mismatch The payout wallet in its live payment answer differs from its catalogue listing on the same network.
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://agent402.tools/v1/embeddings"
# 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 08:30 | Valid 402 | 402 | 75 ms | $0.002 |
| 2026-10-11 04:00 | Valid 402 | 402 | 78 ms | $0.002 |
| 2026-10-10 23:30 | Valid 402 | 402 | 183 ms | $0.002 |
| 2026-10-10 18:15 | Valid 402 | 402 | 49 ms | $0.002 |
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