Agent Exchange x402 census and directory

x402 census · api.xynaptic.io · 282fbee0f26b · JSON

GET /v1/destination-brief

live

Xynaptic Destination Brief — travel context for any city: Wikipedia summary, coordinates, population, country, timezone and what the place is known for. One call to ground an agent planning a trip. GET ?q=Jakarta (&lang=en|fr).

Verdict: live. The unpaid GET reached a valid 402 (confirmed by the re-probe of 2026-10-01).

Facts from the catalogs

FieldValue
URLhttps://api.xynaptic.io/v1/destination-brief
MethodGET
Price$0.02 USDC = 20000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts solana:mainnet, eip155:137
payTo0x4ff893dF9aB8603d5460FbbAeE0D9B8c0fa4D5e9
Sellerapi.xynaptic.io
Catalogscdp (row updated 2026-09-29)
Listed since (lower bound)2026-09-29 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-29
CDP quality counters3 calls and 1 unique payers in 30 days, last call 2026-09-29 (catalog-reported, not verified on chain)
Category (keyword rule)research/reports
Templated pathno
x402Version in catalog2
Service name / tagsnone

Unpaid probe (census of )

FieldValue
Probenot probed in this build

Latest re-probe

FieldValue
Re-probed at2026-10-01T14:13:42.000Z (cron)
Verdict nowlive changed from unprobed
HEAD / GET402 / 402
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"20000","payTo":"0x4ff893dF9aB8603d5460FbbAeE0D9B8c0fa4D5e9","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":60,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Latency683 ms
Errornone

On-chain facts for the payTo (public address)

FieldValue
Distinct payers2
Payments7
USDC volume$0.17
Median payment$0.03
First / last payment2026-09-28 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x4ff893dF9aB8603d5460FbbAeE0D9B8c0fa4D5e9

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "country": "Indonésie",
   "lat": -6.17,
   "lon": 106.82,
   "q": "Jakarta",
   "service": "destination-brief",
   "summary": "Jakarta: capital of Indonesia, 10M+ inhabitants.",
   "title": "Jakarta"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.xynaptic.io/v1/destination-brief' -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/282fbee0f26b/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"282fbee0f26b"} 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.xynaptic.io.