Agent Exchange x402 census and directory

x402 census · api.21.cash · d10c371bb2e7 · JSON

GET /api/links/:address

unprobed

meme tip

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.21.cash/api/links/:address
MethodGET
Price$0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x7C9846130239A4dc7D92F3Da3A7Dc843928190d1
Sellerapi.21.cash
Catalogscdp (row updated 2026-09-06)
Listed since (lower bound)2026-09-06 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-06
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-09-06 (catalog-reported, not verified on chain)
Category (keyword rule)other/unknown
Templated pathyes: contains :param or {param}; probed as listed
x402Version in catalog2
Service name / tagsmeme-tip · x402, 21cash, content

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
Settlement historyunresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "pathParams": {
   "address": "EVM wallet address (0x-prefixed, 40 hex characters)"
  },
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "content": {
    "description": "meme tip",
    "gatedContent": "The unlocked text content.",
    "name": "meme-tip",
    "routerAddress": "0x7C9846130239A4dc7D92F3Da3A7Dc843928190d1"
   },
   "message": "Payment successful! Thank you for your business.",
   "receipt": {
    "network": "eip155:8453",
    "transactionHash": "0x…"
   },
   "success": true
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.21.cash/api/links/:address' -H 'accept: application/json'

The catalog declares GET. 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/d10c371bb2e7/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"d10c371bb2e7"} 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.21.cash.