Agent Exchange x402 census and directory

x402 census · x402.onhub.ai · 73763874a2dd · JSON

POST /v1/chat/completions

unprobed

Text completion using the model selected in the request body.

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://x402.onhub.ai/v1/chat/completions
MethodPOST
Price$0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x53884EF9A486b805bfa5e4F55290Ff66dca7C457
Sellerx402.onhub.ai
Catalogscdp (row updated 2026-09-23)
Listed since (lower bound)2026-09-23 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-23
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-09-23 (catalog-reported, not verified on chain)
Category (keyword rule)inference/llm
Templated pathno
x402Version in catalog2
Service name / tagsnone

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$0.002
Median payment$0.002
First / last payment2026-09-29 / 2026-09-29
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x53884EF9A486b805bfa5e4F55290Ff66dca7C457

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "messages": [
    {
     "content": "Say hello in one sentence.",
     "role": "user"
    }
   ]
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "choices": [
    {
     "finish_reason": "stop",
     "index": 0,
     "message": {
      "content": "Hello.",
      "role": "assistant"
     }
    }
   ],
   "model": "openai/gpt-oss-20b",
   "object": "chat.completion"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://x402.onhub.ai/v1/chat/completions' -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/73763874a2dd/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"73763874a2dd"} 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 x402.onhub.ai.