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ClearedIndex

https://clearedindex.com/api/x402/ping
● healthy a2a-agent

Trust gateway for x402 agent commerce. Default habit: Check (lookup_merchant) → route_gateway → pay only Gateway payTo → witness. Base gravity (eip155:8453), multi-rail capable. Complementary to Coinbase Developer Platform.

Category
a2a-agent
Chains
base
Price
$0.0010 USDC / call

Quality grade

How grading works
B 68.5 / 100
Availability 40.0 / 40
Endpoint responded (HTTP 402)
Payability 20.0 / 20
  • ✓ Answers a real HTTP 402 challenge
  • ✓ Publishes a /.well-known/x402 descriptor
  • ✓ Payment address on record
  • ✓ Settlement network declared
  • ✓ Price declared
Demand 8.5 / 40
2 distinct payers, 18 USDC transfers in the last 30 days
Owner verified 0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 8 h ago. On-chain activity last read 11 d ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

Paid endpoints

9 resource(s) advertised by this origin.

GET https://clearedindex.com/api/x402/ping

Genuine HTTP 402 paid probe ($0.001 USDC on Base). Soft header passes rejected — real EIP-3009 settle (or X-Settlement-Tx) auto-Witnesses and returns receiptUrl. The collectible Cleared moment path.

GET https://clearedindex.com/api/x402/verdict

Paid 3-panel diligence (trust / settle / risk) before agent spend. Free preview at /api/cleared/verdict. SwarmX-class panel, Cleared-native — settle $0.10 USDC on Base, auto-Witness.

GET https://clearedindex.com/api/cleared/run-gate

Spend firewall before compute/pay — Check + payTo + minScore + optional maxSpendUsd. Free; Gateway Pro is the Stripe wall. NodeRun-class gate, Cleared-native.

GET https://clearedindex.com/api/cleared/loop?mode=arena

Repeat settle habit loop: Run Gate → Verdict → Gateway → pay → Witness → again. Boats-class volume habit without leaving Cleared.

POST https://clearedindex.com/api/cleared/trust/evaluate

Conformant x402 trust-provider endpoint (issue #2299). Free by design — validates input before any payment challenge and returns TrustEvaluation with Ed25519 signed attestation.

GET https://clearedindex.com/api/cleared/check

Check any origin against the Cleared index. Returns trust score, pass/fail, endpoint probes, and signed attestation.

POST https://clearedindex.com/api/cleared/gateway

Route to the best verified x402 endpoint for a task. One URL.

GET https://clearedindex.com/api/cleared/listings

Attested inventory as DiscoveredResource envelope (x402 #2582). Free tier is paginated sample; full catalog requires Pro API key. Prefer Check for point trust.

GET https://clearedindex.com/api/cleared/jwks

Ed25519 public key for offline attestation verification.

How to call

cURL · x402-fetch / x402-axios will auto-handle 402
curl -X GET https://clearedindex.com/api/x402/ping
/.well-known/x402.json
https://clearedindex.com/.well-known/x402

Listed in

Directories this entry was found in.

a2a