x402 census · blockrun.ai · dd4348171925 · JSON
POST /api/v1/messages
unprobed
Anthropic-compatible Messages API — pay per token with USDC on Base
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
| Field | Value |
|---|---|
| URL | https://blockrun.ai/api/v1/messages |
| Method | POST |
| Price | $0.01 USDC = 11000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0xe9030014F5DAe217d0A152f02A043567b16c1aBf |
| Seller | blockrun.ai |
| Catalogs | cdp (row updated 2026-09-30) |
| Listed since (lower bound) | 2026-09-30 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-30 |
| CDP quality counters | 5,798 calls and 10 unique payers in 30 days, last call 2026-09-30 (catalog-reported, not verified on chain) |
| Category (keyword rule) | inference/llm |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | BlockRun.AI · ai, inference, llm, gateway |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not 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)
| 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": "Max output tokens",
"type": "integer"
},
"messages": {
"description": "Conversation history",
"type": "array"
},
"model": {
"description": "Anthropic-style model id",
"type": "string"
},
"stream": {
"description": "Stream response as SSE",
"type": "boolean"
},
"system": {
"description": "Optional system prompt",
"type": "string"
},
"tools": {
"description": "Optional tool definitions",
"type": "array"
}
},
"discoverable": true,
"method": "POST",
"type": "http"
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://blockrun.ai/api/v1/messages' -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/dd4348171925/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"dd4348171925"} 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.ai.