Agent Exchange x402 census and directory

x402 census · api.grip.fyi · 2b32502fc2ef · JSON

POST /v1/compare

unprobed

ARBITER deterministic semantic control-flow and arbitration: measure and rank a fixed candidate field against current state, intent, or perspective.

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

FieldValue
URLhttps://api.grip.fyi/v1/compare
MethodPOST
Price$0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xb0Ba20954EA83f6e5417B893b3999d82cb061D3e
Sellerapi.grip.fyi
Catalogscdp (row updated 2026-09-16)
Listed since (lower bound)2026-09-16 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-16
CDP quality counters4 calls and 2 unique payers in 30 days, last call 2026-09-16 (catalog-reported, not verified on chain)
Category (keyword rule)other/unknown
Templated pathno
x402Version in catalog2
Service name / tagsARBITER · agents, arbitration, control-flow, decision, agreement

Unpaid probe (census of )

FieldValue
Probenot probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

FieldValue
Distinct payers1
Payments1
USDC volume$0.01
Median payment$0.01
First / last payment2026-09-17 / 2026-09-17
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xb0Ba20954EA83f6e5417B893b3999d82cb061D3e (contract: EIP7702StatelessDeleGator)

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "candidates": [
    "inspect failure and repair deployment",
    "deploy anyway",
    "delete test suite"
   ],
   "query": "choose the coherent action",
   "top_k": 3
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 412
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://api.grip.fyi/v1/compare' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'

The catalog declares POST. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/2b32502fc2ef/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"2b32502fc2ef"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on api.grip.fyi.