x402 census · blockrun-web-vbsbhh7lea-uc.a.run.app · a0de464c4a64 · JSON

POST /v1/chat/completions

live

AI chat completions API - pay per request with USDC on Base

Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.

Facts from the catalogs

Field Value

URL https://blockrun-web-vbsbhh7lea-uc.a.run.app/v1/chat/completions

Method POST

Price $0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0xe9030014F5DAe217d0A152f02A043567b16c1aBf

Seller blockrun-web-vbsbhh7lea-uc.a.run.app

Catalogs cdp (row updated 2026-10-01)

Listed since (lower bound) 2026-10-01 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-10-01

CDP quality counters 5 calls and 1 unique payers in 30 days, last call 2026-10-01 (catalog-reported, not verified on chain)

Category (keyword rule) inference/llm

Templated path no

x402Version in catalog 2

Service name / tags none

Unpaid probe (census of 2026-10-22)

Field Value

Probed at 2026-10-22T00:35:35.733Z

HEAD 402

GET 402

Verdict live live: valid 402 to an unpaid GET

402 carried in header+body

x402Version in the 402 2

accepts[0] {"scheme":"exact","network":"eip155:8453","amount":"2000","payTo":"0xe9030014F5DAe217d0A152f02A043567b16c1aBf","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}

Live amount equals catalog price yes

Live payTo equals catalog payTo yes

extensions.bazaar in the 402 yes

PAYMENT-REQUIRED header yes

WWW-Authenticate offer none

Content type / server / CORS application/json / Google Frontend / none

Latency 162 ms

Error Payment Required

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)

Field Value

Distinct payers 113

Payments 975

USDC volume $22.79

Median payment $0.003

First / last payment 2026-05-18 / 2026-09-30

Sampler-shaped share of payments 98.7%

Payers that are not samplers 2

Source forensics-2026-09-30

Address 0xe9030014F5DAe217d0A152f02A043567b16c1aBf

Declared input and output (extensions.bazaar)

{
 "input": {
  "bodyFields": {
   "max_tokens": {
    "description": "Maximum tokens to generate",
    "type": "integer"
   },
   "messages": {
    "description": "Array of chat messages with role and content",
    "type": "array"
   },
   "model": {
    "description": "AI model ID (e.g., gpt-4o-mini, claude-haiku-4.5)",
    "type": "string"
   },
   "stream": {
    "description": "Enable streaming responses",
    "type": "boolean"
   },
   "temperature": {
    "description": "Sampling temperature (0-2)",
    "type": "number"
   }
  },
  "discoverable": true,
  "method": "POST",
  "type": "http"
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://blockrun-web-vbsbhh7lea-uc.a.run.app/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/a0de464c4a64/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"a0de464c4a64"} 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 blockrun-web-vbsbhh7lea-uc.a.run.app.