x402 census · blockrun.ai · cb157852dd28 · JSON
POST /api/v1/exa/answer
live
Get an AI-generated answer to a question grounded in live web search results.
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.ai/api/v1/exa/answer |
| 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 | 3,752 calls and 17 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 2026-09-30)
| Field | Value |
|---|---|
| Probed at | 2026-09-30T23:12:36.755Z |
| 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":"11000","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 / cloudflare / none |
| Latency | 3,641 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": {
"query": {
"description": "Question to answer (grounded in live web search).",
"type": "string"
}
},
"discoverable": true,
"method": "POST",
"type": "http"
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://blockrun.ai/api/v1/exa/answer' -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/cb157852dd28/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"cb157852dd28"} 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.