Agent Exchange x402 census and directory

x402 census · x402engine.app · 87cebc6ea144 · JSON

POST /api/llm/grok-4.7

open

x402engine — Grok 4.7 is SpaceXAI's flagship model for coding, agentic tasks, and knowledge work, succeeding Grok 4.6. It is particularly strong at long-running software engineering tasks, verifying its own work, and...

Verdict: not verified by an unpaid GET. 200: serves without a payment challenge. This says nothing about whether the route works when called as declared.

Facts from the catalogs

FieldValue
URLhttps://x402engine.app/api/llm/grok-4.7
MethodPOST
Price$0.05 USDC = 47560 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts eip155:4326, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
payTo0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629
Sellerx402engine.app
Catalogscdp (row updated 2026-10-08)
Listed since (lower bound)2026-10-08 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-10-08
CDP quality counters2 calls and 2 unique payers in 30 days, last call 2026-10-08 (catalog-reported, not verified on chain)
Category (keyword rule)inference/llm
Templated pathno
x402Version in catalog2
Service name / tagsnone

Unpaid probe (census of 2026-10-22)

FieldValue
Probed at2026-10-22T00:18:59.744Z
HEAD200
GET200
Verdictopen 200: serves without a payment challenge
402 carried inn/a
x402Version in the 402n/a
accepts[0]none
Live amount equals catalog pricenot comparable
Live payTo equals catalog payTonot comparable
extensions.bazaar in the 402no
PAYMENT-REQUIRED headerno
WWW-Authenticate offernone
Content type / server / CORSapplication/json / cloudflare / *
Latency116 ms
Errornone

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 payers86
Payments231
USDC volume$11.48
Median payment$0.01
First / last payment2026-05-25 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "max_tokens": 1024,
   "messages": [
    {
     "content": "Hello",
     "role": "user"
    }
   ]
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "choices": [
    {
     "finish_reason": "stop",
     "index": 0,
     "message": {
      "content": "Hello!",
      "role": "assistant"
     }
    }
   ],
   "content": "Hello!",
   "model": "x-ai/grok-4.7"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://x402engine.app/api/llm/grok-4.7' -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/87cebc6ea144/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"87cebc6ea144"} 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 x402engine.app.