SolSigs ProofGuard
https://solsigs.com/proofguard
● healthy
data-social-apis
Post-payment trust and refund-evidence layer for AI agents using x402 endpoints. `/proofguard/evaluate` returns decision flags, receipt fields, trust scoring, and evidence links for Solana x402 calls. $0.003 USDC on Solana. ([GitHub](https://github.com/gra-kir/solsigs-proofguard)) ([x402scan](https://www.x402scan.com/server/e52b109e-420a-4e86-adf0-be7b5e12b302))
Category
data-social-apis
Chains
—
Price
—
Quality grade
How grading works
C+
55.3 / 100
Availability
40.0 / 40
Endpoint responded (HTTP 200)
Payability
15.3 / 20
- ✓ Answers a real HTTP 402 challenge
- ✗ Publishes a /.well-known/x402 descriptor
- ✓ Payment address on record
- ✓ Settlement network declared
- ✗ Price declared
Demand
0.0 / 40
Payment address on record, not yet queried on-chain
Owner verified
0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 6 h ago.
Availability and on-chain demand are both re-probed daily; the grade
updates automatically on the next pass.
How to call
cURL · x402-fetch / x402-axios will auto-handle 402
curl -X POST https://solsigs.com/proofguard
Listed in
Directories this entry was found in.
awesome-x402