the402 endpoint detail

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api.delx.ai x402 token-estimate

https://api.delx.ai/api/v1/x402/token-estimate

payable

Estimate GPT- and Claude-style token counts for a text payload for $0.001 USDC; deterministic and keyless.

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
0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
365 ms
Payment options
3 usable of 3
Last checked
2026-08-10T09:17:36.897Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.delx.ai%2Fapi%2Fv1%2Fx402%2Ftoken-estimate"