Roundhouse

www.attentioniscurrency.com

attention is currency is #1 at $0.30. Agents bid. You discover.

Otheroffline · HTTP 500eip155:8453Exactvia cdp
https://www.attentioniscurrency.com/api/x402/bid
Calls · 30d
2→ 0%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 7 snapshots so far.
$1.10
Verified settled volume
6 settlements proven x402 by their on-chain EIP-3009 marker.
$0.100
Listed price
As published in the catalog. Always read the live 402 before paying.
2
Calls · 30d
Upstream's own call count for this endpoint, not ours.
2
Unique payers · 30d
Last called 2026-08-26 14:38Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0xabc6f9c25df2da716e3d67ccf4529ede382bf420

The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider

The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "next": "This quote is open. Pay exact USDC on any accepts[] row, or pay the Lightning invoice. Then retry this same POST with X-PAYMENT and X-PAYMENT-TICKET (Lightning: Authorization L402 token:preimage). We do not pull funds. You settle by retrying. Ticket lives ~20 minutes.",
  "open": true,
  "error": "Payment required. This quote is open. Pay x402 (USDC) or L402 (Lightning), then retry the same request with proof. We do not pull.",
  "retry": {
    "method": "POST",
    "headers": [
      "X-PAYMENT",
      "X-PAYMENT-TICKET"
    ],
    "lightning": "Authorization: L402 <token>:<preimage>",
    "ttlSeconds": 1200
  },
  "lnurlp": "/.well-known/lnurlp/pay",
  "status": "payment_required",
  "ticket": "91551f618ac1a83a7294eeef",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "amount": "100000",
      "scheme": "exact",
      "network": "eip155:8453",
      "currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "extra": {
        "name": "USD Coin",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "amount": "100000",
      "scheme": "exact",
      "network": "eip155:137",
      "currency": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "extra": {
        "name": "USD Coin",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "amount": "100000",
      "scheme": "exact",
      "network": "eip155:42161",
      "currency": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "0x79A02482A880bCE3F13e09Da970dC34dB4cD24D1",
      "extra": {
        "name": "USD Coin",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "amount": "100000",
      "scheme": "exact",
      "network": "eip155:480",
      "currency": "0x79A02482A880bCE3F13e09Da970dC34dB4cD24D1",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
      "extra": {
        "name": "USD Coin",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "amount": "100000",
      "scheme": "exact",
      "network": "eip155:143",
      "currency": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
      "extra": {
        "name": "USD Coin",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "amount": "100000",
      "scheme": "exact",
      "network": "eip155:42220",
      "currency": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "0x9cb8142aEBBcdc60AF7c97Af897A67A8f3CA71C2",
      "extra": {
        "name": "USD Coin",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "amount": "100000",
      "scheme": "exact",
      "network": "eip155:36900",
      "currency": "0x9cb8142aEBBcdc60AF7c97Af897A67A8f3CA71C2",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "0x401eCb1D350407f13ba348573E5630B83638E30D",
      "extra": {
        "name": "USD Coin",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "amount": "100000",
      "scheme": "exact",
      "network": "eip155:190415",
      "currency": "0x401eCb1D350407f13ba348573E5630B83638E30D",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "0xfA2958CB79b0491CC627c1557F441eF849Ca8eb1",
      "extra": {
        "name": "USD Coin",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "amount": "100000",
      "scheme": "exact",
      "network": "eip155:50",
      "currency": "0xfA2958CB79b0491CC627c1557F441eF849Ca8eb1",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "0xA5b8BF902b2844dA17d4506cc827F7F1681735E7",
      "extra": {
        "name": "USD Coin",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "amount": "100000",
      "scheme": "exact",
      "network": "eip155:38833",
      "currency": "0xA5b8BF902b2844dA17d4506cc827F7F1681735E7",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392",
      "extra": {
        "name": "USD Coin",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "amount": "100000",
      "scheme": "exact",
      "network": "eip155:1329",
      "currency": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "name": "USDC",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402"
      },
      "payTo": "5W6RGam1j28B12S5wtJTw5uwKtsrpb154j52UuwXWBE5",
      "amount": "100000",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "currency": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "5W6RGam1j28B12S5wtJTw5uwKtsrpb154j52UuwXWBE5",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "EQCxE6mUtQJKFnGfaROTKOt1lZbDiiX1kCixRv7Nw2Id_sDs",
      "extra": {
        "name": "USD Coin",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "UQCxjcZY3HCp633KgigZst0faUfH6cbgXboRht0Xgl77bZug",
      "amount": "100000",
      "scheme": "exact",
      "network": "tvm:-239",
      "currency": "EQCxE6mUtQJKFnGfaROTKOt1lZbDiiX1kCixRv7Nw2Id_sDs",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "UQCxjcZY3HCp633KgigZst0faUfH6cbgXboRht0Xgl77bZug",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "31566704",
      "extra": {
        "name": "USD Coin",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "55TRK25RQYT6DYALJJ7C2PBGZ4K6526WRNVFMLXMGF5T7ZBF6XYBYP62NQ",
      "amount": "100000",
      "scheme": "exact",
      "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
      "currency": "31566704",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "55TRK25RQYT6DYALJJ7C2PBGZ4K6526WRNVFMLXMGF5T7ZBF6XYBYP62NQ",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "0xbae207659db88bea0cbead6da0ed00aac12edcdda169e591cd41c94180b46f3b",
      "extra": {
        "name": "USD Coin",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0x90bbd204326fc5ffd8dc5021bd25c7a2a4b954dde87011dc104588527b829665",
      "amount": "100000",
      "scheme": "exact",
      "network": "aptos:1",
      "currency": "0xbae207659db88bea0cbead6da0ed00aac12edcdda169e591cd41c94180b46f3b",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "0x90bbd204326fc5ffd8dc5021bd25c7a2a4b954dde87011dc104588527b829665",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    },
    {
      "asset": "0.0.456858",
      "extra": {
        "name": "USD Coin",
        "ticket": "91551f618ac1a83a7294eeef",
        "version": "2",
        "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0.0.10819174",
      "amount": "100000",
      "scheme": "exact",
      "network": "hedera:mainnet",
      "currency": "0.0.456858",
      "resource": "https://www.attentioniscurrency.com/api/x402/bid",
      "recipient": "0.0.10819174",
      "description": "bid on attention is currency",
      "maxAmountRequired": "100000",
      "maxTimeoutSeconds": 120
    }
  ],
  "resource": {
    "url": "https://www.attentioniscurrency.com/api/x402/bid",
    "mimeType": "application/json",
    "description": "bid on attention is currency"
  },
  "lightning": {
    "token": "91551f618ac1a83a7294eeef",
    "invoice": "",
    "version": "0",
    "macaroon": "91551f618ac1a83a7294eeef",
    "protocol": "L402",
    "resource": "https://www.attentioniscurrency.com/api/x402/bid",
    "lnAddress": "juliomedina@strike.me",
    "amountSats": 100,
    "paymentHash": "904f72296c91b071e3fe98bc9f2819fb860e77fea7fef5d302b0786b0ae8c45a"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "kind": "custom",
            "arena": "grok",
            "action": "bid",
            "amount": 0.1,
            "handle": "probe"
          },
          "type": "http",
          "method": "POST",
          "queryParams": {}
        },
        "output": {
          "type": "json",
          "example": {
            "ok": true,
            "rank": 1,
            "receipt": "x402",
            "totalPaid": 0.1
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "type": "object",
            "properties": {
              "body": {
                "type": "object"
              },
              "type": {
                "enum": [
                  "http"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object"
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "properties": {
              "type": {
                "enum": [
                  "json"
                ],
                "type": "string"
              },
              "example": {
                "type": "object"
              }
            }
          }
        }
      }
    }
  },
  "l402Version": "0",
  "x402Version": 2,
  "wwwAuthenticate": "L402 token=\"91551f618ac1a83a7294eeef\", invoice=\"\", version=\"0\""
}

Accepts

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

0.1USDC≈ $0.1 USD
on Base · exact scheme

Pay 0.1 USDC on Base to 0xabc6…bf420. The signed payment is good for 2 minutes.

Paid to
0xabc6…bf420
USD Coin contract
0x8335…02913
Payment window
2 minutes
As published
100000 smallest units
Buys
bid on attention is currency
100000units
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.

Paid to
5W6RGa…XWBE5
Token contract
EPjFWd…TDt1v
Payment window
2 minutes
Buys
bid on attention is currency
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "ticket": "dd19401d404c92569ac0693d",
      "version": "2",
      "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402",
      "credentialTypes": [
        "authorization"
      ]
    },
    "payTo": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
    "amount": "100000",
    "scheme": "exact",
    "network": "eip155:8453",
    "currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "resource": "https://www.attentioniscurrency.com/api/x402/bid",
    "recipient": "0xabc6f9c25df2da716e3d67ccf4529ede382bf420",
    "description": "bid on attention is currency",
    "maxAmountRequired": "100000",
    "maxTimeoutSeconds": 120
  },
  {
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "extra": {
      "name": "USDC",
      "ticket": "dd19401d404c92569ac0693d",
      "version": "2",
      "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
      "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402"
    },
    "payTo": "5W6RGam1j28B12S5wtJTw5uwKtsrpb154j52UuwXWBE5",
    "amount": "100000",
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "currency": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "resource": "https://www.attentioniscurrency.com/api/x402/bid",
    "recipient": "5W6RGam1j28B12S5wtJTw5uwKtsrpb154j52UuwXWBE5",
    "description": "bid on attention is currency",
    "maxAmountRequired": "100000",
    "maxTimeoutSeconds": 120
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "kind": "custom",
          "arena": "grok",
          "action": "bid",
          "amount": 0.1,
          "handle": "probe"
        },
        "type": "http",
        "method": "POST",
        "queryParams": {}
      },
      "output": {
        "type": "json",
        "example": {
          "ok": true,
          "rank": 1,
          "receipt": "x402",
          "totalPaid": 0.1
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "type": "object",
          "properties": {
            "body": {
              "type": "object"
            },
            "type": {
              "enum": [
                "http"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "queryParams": {
              "type": "object"
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "properties": {
            "type": {
              "enum": [
                "json"
              ],
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-08-26 14:38Z
Last indexed by Roundhouse
2026-08-31 00:50Z
Last enriched (probe, favicon, geo)
2026-09-24 04:45Z
x402 version
2
Max timeout
120s
Liveness probe
HTTP 500
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

This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 7 snapshots so far. 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 www.attentioniscurrency.com 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=www.attentioniscurrency.com'
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://www.attentioniscurrency.com/api/x402/bid, 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. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402,
or use an organization key from https://roundhouseai.io/dashboard/team.

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