The Maraventano Index

https://maraventanoindex.com/api/data-daily

● healthy a2a-agent

Signed, continuously-measured merchant-side intelligence on the x402 agent economy. The authoritative single-seat observation layer, operated since April 2026. Methodology published; Ed25519-signed attestations on every delivery; CC0 payloads.

Quality grade

How grading works

C+ 60.0 / 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 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 2 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 -sS -i -X GET https://maraventanoindex.com/api/data-daily  # expect HTTP 402 Payment Required (about 1.0 USDC/call)

/.well-known/x402.json

https://maraventanoindex.com/.well-known/x402

Listed in

Directories this entry was found in.

a2a