{
  "x402Version": 2,
  "slug": "saylorinnovations-api-evm-polygon-nonce-address",
  "resource": "https://saylorinnovations.com/api/evm/polygon/nonce/{address}",
  "description": "Polygon PoS account nonce for any address: confirmed nonce and pending nonce (a gap means transactions are still waiting in the mempool). Use it before sending a transaction or to detect a pending one.",
  "type": "http",
  "serviceName": "Saylor EVM Chain Data",
  "mimeType": "application/json",
  "iconUrl": "https://bazaar.saylorinnovations.com/assets/saylor-logo.jpg",
  "resourceType": "API",
  "accepts": [
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 120
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
      "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 120
    },
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 120
    },
    {
      "scheme": "exact",
      "network": "eip155:137",
      "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 120
    },
    {
      "scheme": "exact",
      "network": "eip155:42161",
      "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 120
    }
  ],
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "discoverable": true,
          "pathParams": {
            "address": "0x0000000000000000000000000000000000000000"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "address": "0x0000000000000000000000000000000000000000",
            "nonce": 0,
            "chain": "base"
          }
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "type": "object",
        "required": [
          "input",
          "output"
        ],
        "properties": {
          "input": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
              "address": {
                "type": "string"
              }
            },
            "required": [
              "address"
            ]
          },
          "output": {
            "type": "object",
            "additionalProperties": true,
            "examples": [
              {
                "address": "0x0000000000000000000000000000000000000000",
                "nonce": 0,
                "chain": "base"
              }
            ]
          }
        }
      }
    }
  },
  "tags": [
    "evm",
    "x402",
    "api",
    "polygon",
    "nonce",
    "pay-per-request",
    "no-api-key",
    "agent-readable"
  ],
  "sourceHost": "saylorinnovations.com",
  "lastUpdated": "2026-10-12T08:45:40.226Z",
  "metadata": {
    "serviceName": "Saylor EVM Chain Data",
    "mimeType": "application/json",
    "iconUrl": "https://bazaar.saylorinnovations.com/assets/saylor-logo.jpg",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "discoverable": true,
            "pathParams": {
              "address": "0x0000000000000000000000000000000000000000"
            }
          },
          "output": {
            "type": "json",
            "example": {
              "address": "0x0000000000000000000000000000000000000000",
              "nonce": 0,
              "chain": "base"
            }
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "type": "object",
          "required": [
            "input",
            "output"
          ],
          "properties": {
            "input": {
              "type": "object",
              "additionalProperties": false,
              "properties": {
                "address": {
                  "type": "string"
                }
              },
              "required": [
                "address"
              ]
            },
            "output": {
              "type": "object",
              "additionalProperties": true,
              "examples": [
                {
                  "address": "0x0000000000000000000000000000000000000000",
                  "nonce": 0,
                  "chain": "base"
                }
              ]
            }
          }
        }
      }
    },
    "method": "GET",
    "inputMimeTypes": [
      "application/json",
      "application/x-www-form-urlencoded"
    ],
    "outputMimeTypes": [
      "application/json"
    ],
    "paymentProtocol": "x402",
    "noAccountRequired": true,
    "noApiKeyRequired": true,
    "auth": "none-before-payment",
    "pricingPolicy": {
      "unit": "request",
      "minimumUsd": 0.01
    },
    "parameters": [
      {
        "name": "address",
        "in": "path",
        "required": true,
        "schema": {
          "type": "string"
        }
      }
    ],
    "exampleUrl": "https://saylorinnovations.com/api/evm/polygon/nonce/0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619",
    "discoveryUrl": "https://bazaar.saylorinnovations.com/discovery/search?urlSubstring=https%3A%2F%2Fsaylorinnovations.com",
    "capabilities": [
      "Polygon PoS account nonce for any address: confirmed nonce and pending nonce (a gap means transactions are still waiting in the mempool). Use it before sending a transaction or to detect a pending one."
    ],
    "useWhen": "Use when an agent needs live, structured data or analysis that should be fetched at request time instead of guessed by a model.",
    "doNotUseWhen": "Do not use for investment, medical, legal, or safety-critical decisions without independent verification.",
    "sideEffects": "none; read-only GET endpoint after x402 payment",
    "license": "Commercial - pay-per-request via x402",
    "repository": "https://github.com/SaylorInnovations/solana-x402",
    "family": "evm"
  },
  "liveness": {
    "reliability": null
  },
  "verified": true,
  "featured": false,
  "partialResults": true,
  "source": "saylor-live-manifest"
}