Autonoma A2A Agent Card Linter
https://avalix.ai/autonoma/x402/agent-card-linter
● healthy
verification
Deterministic structural and interoperability lint for one supplied public A2A Agent Card, returning machine-readable findings and explicit limits.
Category
verification
Chains
base
Price
$0.1000–$1.0000 USDC
Quality grade
How grading works
C+
60.0 / 100
Availability
40.0 / 40
Endpoint responded (HTTP 302)
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
0.0 / 40
0 distinct payers, 0 USDC transfers in the last 30 days
Owner verified
0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 6 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
3 resource(s) advertised by this origin.
https://avalix.ai/autonoma/x402/agent-card-linter
Deterministic structural and interoperability lint for one supplied public A2A Agent Card. Unlike a field-only validator, it returns machine-readable findings, summary counts, and explicit limitations.
https://avalix.ai/autonoma/x402/data-validator
Validate and extract up to 25 named fields from supplied text, returning deterministic values, missing fields, and bounded evidence.
https://avalix.ai/autonoma/x402/a2a-funded-opportunities
A bounded machine-readable feed of currently funded agent work discovered across multiple public A2A marketplaces, with source and payout metadata.
How to call
cURL · x402-fetch / x402-axios will auto-handle 402
curl -X POST https://avalix.ai/autonoma/x402/agent-card-linter
/.well-known/x402.json
https://avalix.ai/.well-known/x402
Listed in
Directories this entry was found in.
submission