StatePulse API

50 pay-per-call tools for AI agents: live telemetry, environmental, transit, blockchain, network/security and finance utilities. x402 USDC on Base, no API key.

DataLiveeip155:8453Exactvia cdp
BlockchainBalancesFinance
Settlements · 30d
57↓ 20%
No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days.
$12.19
Verified settled volume
522 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0010
Listed price
As published in the catalog. Always read the live 402 before paying.
1
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-08-26 00:36Z
–
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x4a82F147c8A4339409C9097Adc1EedFd56E85bFE

The wallet the 402 directs payment to. Its full payment record is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider
Coming soonAgent #55014ERC-8004

Recent payments · which agents last used it

Every indexed settlement paid to this service’s wallet, newest first. The index does not record which endpoint a payment was for, so if this wallet serves more than one endpoint, the rows include payments for the others. Paged up to the newest 5,000; the full history is on the merchant page.

Payer PayeeChainAmountx402RouteAgeTxn hash
0x54e1…f4e00x4a82…5bfeBaseBase$0.01100%coinbase26d ago0x338009…08c3af
0x54e1…f4e00x4a82…5bfeBaseBase$0.01100%coinbase26d ago0x1102b6…aed49e
0x54e1…f4e00x4a82…5bfeBaseBase$0.01100%coinbase26d ago0x08772f…66a593
0x54e1…f4e00x4a82…5bfeBaseBase$0.01100%coinbase26d ago0xdfa2bb…7d0395
0x54e1…f4e00x4a82…5bfeBaseBase$0.01100%coinbase26d ago0x56cab9…4ee5b3
0x54e1…f4e00x4a82…5bfeBaseBase$0.01100%coinbase26d ago0xecaf32…a6ca8a
0x54e1…f4e00x4a82…5bfeBaseBase$0.01100%coinbase27d ago0xde4752…deb252
0x2a37…b9490x4a82…5bfeBaseBase$0.05100%coinbase29d ago0x675141…96d13c
0x2a37…b9490x4a82…5bfeBaseBase$0.05100%coinbase29d ago0xcf612e…844485
0x2a37…b9490x4a82…5bfeBaseBase$0.05100%coinbase29d ago0x21579a…03e445
0xa1d1…19780x4a82…5bfeBaseBase$0.01100%coinbase31d ago0x779571…c330b7
0xf2be…03a30x4a82…5bfeBaseBase$0.01100%coinbase32d ago0x509e3e…e3381a
0x2a37…b9490x4a82…5bfeBaseBase$0.05100%coinbase32d ago0x97f7e9…19c056
0xec2a…d0340x4a82…5bfeBaseBase$0.01100%coinbase32d ago0x145bf7…c1a0ba
0x6031…c2d10x4a82…5bfeBaseBase$0.02100%coinbase33d ago0x787477…c238bf
0x6031…c2d10x4a82…5bfeBaseBase$0.02100%coinbase33d ago0xe319b8…4d8a9d
0x6031…c2d10x4a82…5bfeBaseBase$0.01100%coinbase33d ago0x8c4f06…fcfc63
0x6031…c2d10x4a82…5bfeBaseBase$0.01100%coinbase33d ago0x97d001…a17a55
0xec2a…d0340x4a82…5bfeBaseBase$0.01100%coinbase33d ago0x75cada…6d4877
0x6031…c2d10x4a82…5bfeBaseBase$0.01100%coinbase34d ago0xcbce83…9d1aac
0x07fb…97dc0x4a82…5bfeBaseBase$0.03100%coinbase34d ago0xae25ef…e92636
0xc9c7…16700x4a82…5bfeBaseBase$0.01100%coinbase35d ago0xf7bbb1…5bb139
0xec2a…d0340x4a82…5bfeBaseBase$0.01100%coinbase37d ago0x2b62e4…15ba26
0x6031…c2d10x4a82…5bfeBaseBase$0.01100%coinbase37d ago0xa8e383…f7a7e2
0xec2a…d0340x4a82…5bfeBaseBase$0.01100%coinbase38d ago0xfc4389…3e4f89

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying: a price here is a claim, not a quote.

0.001USDC≈ $0.001 USD
on Base · exact scheme

Pay 0.001 USDC on Base to 0x4a82…85bFE. The signed payment is good for 2 minutes.

USD Coin contract
0x8335…02913
Payment window
2 minutes
As published
1000 smallest units
1000units
on solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Token contract
EPjFWd…TDt1v
Payment window
2 minutes
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x4a82F147c8A4339409C9097Adc1EedFd56E85bFE",
    "amount": "1000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 120
  },
  {
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "extra": {
      "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
    },
    "payTo": "Bs3oEYkvpbzdaLN8KuCHHATfaifmSp7iLUsKBCFQyvhL",
    "amount": "1000",
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "maxTimeoutSeconds": 120
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "wallet": "0x4a82F147c8A4339409C9097Adc1EedFd56E85bFE"
        },
        "type": "http",
        "method": "POST",
        "bodyType": "json"
      },
      "output": {
        "type": "json",
        "example": {
          "result": {
            "chain": "base",
            "wallet": "0x4a82F147c8A4339409C9097Adc1EedFd56E85bFE",
            "usdc_balance": "12.50",
            "native_balance": "0.42"
          },
          "supported": true,
          "confidence": "high"
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "properties": {
            "body": {
              "type": "object",
              "required": [
                "wallet"
              ],
              "properties": {
                "chain": {
                  "type": "string",
                  "default": "base",
                  "description": "ethereum or base"
                },
                "wallet": {
                  "type": "string",
                  "examples": [
                    "0x4a82F147c8A4339409C9097Adc1EedFd56E85bFE"
                  ],
                  "description": "EVM wallet address"
                }
              }
            },
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-08-26 00:36Z
Last indexed by Roundhouse
2026-09-25 00:10Z
Last enriched (probe, favicon, geo)
2026-10-06 09:45Z
x402 version
2
Max timeout
120s
Liveness probe
HTTP 200
Report

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent: it will vet this service and call it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/endpoints

No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days. Verified volume counts only settlements with an on-chain EIP-3009 marker.

Open skill.md
Show the prompt
Using Roundhouse, look up the x402 service StatePulse API and tell me whether it is
worth paying: what a call costs, whether the endpoint answered when last probed, and what
its payment record actually shows.

curl -s 'https://api.roundhouseai.io/v0/endpoints?q=StatePulse%20API'
curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>'

Then call it: read the price from the live 402 at https://statepulse-api.hahavoid0.workers.dev/blockchain/balances, never from
a cached figure, and pay with an x402 client.

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at
GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at
https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.