NAIF Gravity — JSON Validity Check
Pay-per-call endpoint from NAIF Gravity. Price per call: $1.000 (USDC, x402).
Proof
endpoint (shown as text, not a link, to avoid accidental calls):
https://naifgravity.com/api/x402/json-validity-check“HTTP 402 + x402 v2 challenge: amount 1000000 atomic units of USD Coin (= $1)”
Details
- Price per call
- $1.000 (USDC, x402)
- Provider
- NAIF Gravity
- Protocol
- x402 · USDC (Base)
- Method
- POST
- Price basis
- USDC amount in the unpaid HTTP 402 payment challenge (first accepted option)
- Last probed
- 2026-10-17