Agent Exchange x402 census and directory

x402 census · payai.agentstools.dev · d2204c9ef6ac · JSON

GET /btc/block

live

Bitcoin block metadata by height or hash (or the chain tip when neither is given), fused with the current difficulty-adjustment context, a computed halving countdown and a network hashrate snapshot. Informational, not advice.

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

Facts from the catalogs

FieldValue
URLhttps://payai.agentstools.dev/btc/block
MethodGET
Price$0.008 USDC = 8000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v
Networksolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp (solana)
payToAytHnvc6bZx1ALTy7b5Px7hcavoSYszG9aeKvDcZ8R1u
Sellerpayai.agentstools.dev
Catalogspayai (row updated 2026-09-30)
Listed since (lower bound)2026-09-30 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-30
CDP quality countersnot in the CDP catalog
Category (keyword rule)dev-tools/utilities
Templated pathno
x402Version in catalog2
Service name / tagsbtc-block · bitcoin, btc, block, halving, difficulty

Unpaid probe (census of 2026-09-30)

FieldValue
Probed at2026-09-30T23:41:51.838Z
HEAD402
GET402
Verdictlive live: valid 402 to an unpaid GET
402 carried inheader+body
x402Version in the 4022
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"8000","payTo":"0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Live payTo equals catalog payTono
extensions.bazaar in the 402yes
PAYMENT-REQUIRED headeryes
WWW-Authenticate offernone
Content type / server / CORSapplication/json / uvicorn / none
Latency2,107 ms
ErrorPayment 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)

FieldValue
Settlement historyunresolved: non-EVM payTo; only Base is covered

Declared input and output (extensions.bazaar)

{
 "input": {
  "type": "http",
  "method": "GET",
  "queryParams": {
   "height": 800000
  }
 },
 "output": {
  "type": "json",
  "example": {
   "block": {
    "height": 800000,
    "tx_count": 3721,
    "difficulty": 53911173001054.586,
    "confirmations": 157155
   },
   "halving": {
    "next_halving_height": 1050000,
    "blocks_until_halving": 92845,
    "current_block_subsidy_btc": 3.125
   },
   "sources": {
    "partial": false
   },
   "hashrate": {
    "current_hashrate_ehs": 907.29
   },
   "difficulty_adjustment": {
    "progress_percent": 77.9,
    "remaining_blocks": 445
   }
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://payai.agentstools.dev/btc/block' -H 'accept: application/json'

The catalog declares GET. 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/d2204c9ef6ac/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"d2204c9ef6ac"} 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: PayAI listing status · this record as JSON · all resources on payai.agentstools.dev.