{
  "generated_at": "2026-05-11T00:56:48.476130+00:00",
  "slug": "3hcvxvrh-nx-link-getlatestcheckpointforallchains",
  "title": "3hcvxvrh \u00b7 Get Latest Checkpoint For All Chains",
  "url": "https://3hcvxvrh.nx.link/getLatestCheckpointForAllChains",
  "category": "tools",
  "summary": "3hcvxvrh \u00b7 Get Latest Checkpoint For All Chains \u2014 x402-protected tools API. Pay $0.010 per call on base. Indexed by x402all.",
  "seo": {
    "title": "3hcvxvrh \u00b7 Get Latest Checkpoint For All Chains \u2014 x402 tools API \u00b7 $0.",
    "description": "3hcvxvrh \u00b7 Get Latest Checkpoint For All Chains \u2014 x402-protected tools API. Pay $0.010 per call on base. Indexed by x402all."
  },
  "use_cases": [],
  "risk_notes": [],
  "pricing_sanity": {
    "flag": "normal",
    "ratio": 1.0,
    "median_category_atomic": 10000
  },
  "pricing_review_required": false,
  "pricing_decimal_suspect": false,
  "trust_tier": "indexed_external",
  "accepts": [
    {
      "scheme": "exact",
      "network": "base",
      "pay_to": "0xcbbdecc1287ae7492d75318796b5b3f8cc464694",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "max_amount_required_atomic": "10000",
      "max_timeout_seconds": 300,
      "mime_type": "application/json",
      "description": "Witness API https://api.witness.co - GET Returns the latest onchain checkpoint for all chains.",
      "verified": false,
      "hints": {
        "responses": {
          "200": {
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "additionalProperties": {
                    "type": "object",
                    "required": [
                      "txHash",
                      "blockNumber",
                      "blockHash",
                      "chainId",
                      "timestamp",
                      "rootHash",
                      "treeSize",
                      "status"
                    ],
                    "properties": {
                      "status": {
                        "enum": [
                          "included",
                          "pending",
                          "finalized"
                        ],
                        "type": "string",
                        "description": "The status of the checkpoint (deprecated)"
                      },
                      "txHash": {
                        "type": "string",
                        "description": "Transaction hash of the checkpoint"
                      },
                      "chainId": {
                        "type": "number",
                        "description": "The chain ID the checkpoint corresponds to"
                      },
                      "rootHash": {
                        "type": "string",
                        "description": "Root hash of the checkpoint"
                      },
                      "treeSize": {
                        "anyOf": [
                          {
                            "type": "string"
                          },
                          {
                            "type": "string"
                          }
                        ],
                        "description": "The size of the tree for the given checkpoint"
                      },
                      "blockHash": {
                        "type": "string",
                        "description": "The hash of the block the checkpoint was included in"
                      },
                      "timestamp": {
                        "anyOf": [
                          {
                            "type": "string"
                          },
                          {
                            "type": "string"
                          },
                          {
                            "type": "string"
                          }
                        ],
                        "description": "The timestamp in epoch seconds"
                      },
                      "blockNumber": {
                        "anyOf": [
                          {
                            "type": "string"
                          },
                          {
                            "type": "string"
                          }
                        ],
                        "description": "The block number the checkpoint was included in"
                      }
                    },
                    "additionalProperties": false
                  }
                },
                "example": {
                  "8453": {
                    "status": "included",
                    "txHash": "0x97e78047a64a1bb484d69e3093ec34d9a0d13f682496bffa492626909df5efd3",
                    "chainId": 8453,
                    "rootHash": "0x97e78047a64a1bb484d69e3093ec34d9a0d13f682496bffa492626909df5efd3",
                    "treeSize": "123456789",
                    "blockHash": "0x97e78047a64a1bb484d69e3093ec34d9a0d13f682496bffa492626909df5efd3",
                    "timestamp": "1698262805",
                    "blockNumber": "123456789"
                  }
                }
              }
            },
            "description": "Successful response"
          },
          "default": {
            "$ref": "#/components/responses/error"
          }
        },
        "parameters": []
      }
    }
  ],
  "origin": {
    "slug": "3hcvxvrh-nx-link",
    "host": "3hcvxvrh.nx.link",
    "url": "https://3hcvxvrh.nx.link"
  },
  "json_ld": {
    "@id": "https://x402all.com/resource/3hcvxvrh-nx-link-getlatestcheckpointforallchains",
    "url": "https://x402all.com/resource/3hcvxvrh-nx-link-getlatestcheckpointforallchains",
    "name": "3hcvxvrh \u00b7 Get Latest Checkpoint For All Chains",
    "@type": "WebAPI",
    "offers": {
      "url": "https://x402all.com/resource/3hcvxvrh-nx-link-getlatestcheckpointforallchains",
      "@type": "Offer",
      "price": "0.01",
      "availability": "https://schema.org/InStock",
      "priceCurrency": "USDC",
      "additionalProperty": [
        {
          "name": "paymentNetwork",
          "@type": "PropertyValue",
          "value": "base"
        },
        {
          "name": "paymentAsset",
          "@type": "PropertyValue",
          "value": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
        }
      ],
      "priceSpecification": {
        "@type": "UnitPriceSpecification",
        "price": "0.010000",
        "unitText": "call",
        "priceCurrency": "USDC"
      },
      "eligibleCustomerType": "Agent"
    },
    "sameAs": "https://3hcvxvrh.nx.link/getLatestCheckpointForAllChains",
    "@context": "https://schema.org",
    "provider": {
      "@id": "https://x402all.com/server/3hcvxvrh-nx-link",
      "url": "https://3hcvxvrh.nx.link",
      "name": "3hcvxvrh.nx.link",
      "@type": "Organization"
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    "identifier": "3hcvxvrh-nx-link-getlatestcheckpointforallchains",
    "description": "3hcvxvrh \u00b7 Get Latest Checkpoint For All Chains \u2014 x402-protected tools API. Pay $0.010 per call on base. Indexed by x402all.",
    "potentialAction": {
      "@type": "BuyAction",
      "target": "https://axon402.com/test-buy?resource=3hcvxvrh-nx-link-getlatestcheckpointforallchains",
      "description": "Test-buy this endpoint on AXON"
    },
    "applicationCategory": "tools"
  },
  "axon_deep_link": "https://axon402.com/test-buy?resource=3hcvxvrh-nx-link-getlatestcheckpointforallchains",
  "callability": {
    "status": "partial",
    "schema_callability": 0.39,
    "source": "facilitator_bazaar",
    "source_confidence": 0.75,
    "match_confidence": 0.4,
    "schema_confidence": 0.5,
    "validated_at": "2026-05-10T22:42:07.086939+00:00",
    "warnings": []
  },
  "contract": {
    "route_template": "https://3hcvxvrh.nx.link/getLatestCheckpointForAllChains",
    "content_type": "application/json",
    "response_schema": {
      "type": "object",
      "additionalProperties": {
        "type": "object",
        "required": [
          "txHash",
          "blockNumber",
          "blockHash",
          "chainId",
          "timestamp",
          "rootHash",
          "treeSize",
          "status"
        ],
        "properties": {
          "status": {
            "enum": [
              "included",
              "pending",
              "finalized"
            ],
            "type": "string",
            "description": "The status of the checkpoint (deprecated)"
          },
          "txHash": {
            "type": "string",
            "description": "Transaction hash of the checkpoint"
          },
          "chainId": {
            "type": "number",
            "description": "The chain ID the checkpoint corresponds to"
          },
          "rootHash": {
            "type": "string",
            "description": "Root hash of the checkpoint"
          },
          "treeSize": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "string"
              }
            ],
            "description": "The size of the tree for the given checkpoint"
          },
          "blockHash": {
            "type": "string",
            "description": "The hash of the block the checkpoint was included in"
          },
          "timestamp": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "string"
              },
              {
                "type": "string"
              }
            ],
            "description": "The timestamp in epoch seconds"
          },
          "blockNumber": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "string"
              }
            ],
            "description": "The block number the checkpoint was included in"
          }
        },
        "additionalProperties": false
      }
    },
    "examples": [],
    "schema_presence": {
      "path_schema": "unknown",
      "query_schema": "unknown",
      "header_schema": "unknown",
      "request_body_schema": "unknown",
      "response_schema": "declared"
    },
    "contract_hash": "eee95ffc361a56f627217a66e5c04f535b716717f0012021e7dce5226a5e6cfc"
  }
}