Agent Exchange x402 census and directory

x402 census · agentdata-api.sander-van-aard.workers.dev · ab08107e17f3 · JSON

POST /llm/chat

unprobed

LLM chat completion per call — no account, no API key, no token math. Three flat-priced tiers: fast $0.002 (DeepSeek v4 Flash), smart $0.02 (GPT-5.4 mini), reasoning $0.03 (DeepSeek v4 Pro). Send OpenAI-style messages, get the assistant reply with finish_reason and token usage. Input capped per tier (16k-32k chars); the 402 quotes the exact tier price up front. Model or source unavailable means a…

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://agentdata-api.sander-van-aard.workers.dev/llm/chat
MethodPOST
Price$0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xb0ae6a9bd7a573ddda58db6c28622417e8ca2099
Selleragentdata-api.sander-van-aard.workers.dev
Catalogscdp (row updated 2026-09-19)
Listed since (lower bound)2026-09-19 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-19
CDP quality counters2 calls and 2 unique payers in 30 days, last call 2026-09-19 (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 payers5
Payments10
USDC volume$0.06
Median payment$0.004
First / last payment2026-07-26 / 2026-09-06
Sampler-shaped share of payments90.0%
Payers that are not samplers1
Sourceforensics-2026-09-30
Address0xb0ae6a9bd7a573ddda58db6c28622417e8ca2099 (contract: EIP7702Proxy)

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "max_tokens": 256,
   "messages": [
    {
     "content": "Summarize x402 in one sentence.",
     "role": "user"
    }
   ],
   "model": "fast"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "content": "x402 is an HTTP-native payment protocol that lets clients pay per request in stablecoins.",
   "finish_reason": "stop",
   "generated_at": "2026-07-30T08:00:00.000Z",
   "model": "deepseek/deepseek-v4-flash",
   "tier": "fast",
   "usage": {
    "completion_tokens": 21,
    "prompt_tokens": 18
   }
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://agentdata-api.sander-van-aard.workers.dev/llm/chat' -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/ab08107e17f3/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"ab08107e17f3"} 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 agentdata-api.sander-van-aard.workers.dev.