{
  "x402Version": 2,
  "id": 4314,
  "slug": "4314",
  "resource": "https://api.eckari.com/v1/parcels/detect-carrier",
  "description": "Identify which carrier issued a tracking number using a deterministic, versioned signature set - prefixes, lengths, carrier check digits and UPU S10 structure - returning the carrier, how distinctive the match is, every ranked candidate with typed evidence, and the parsed S10 details. No upstream call and no carrier account required. Use when: Which carrier is this tracking number from?",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x9d6b6fdB04040a55d58B24ff4C90C08cf6083C8f",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "maxTimeoutSeconds": 60
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "tracking_number": "1Z 879E93 03 4683 4440"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "data": {
              "candidates": [
                {
                  "carrier_id": "ups",
                  "carrier_name": "UPS",
                  "evidence": {
                    "check_digit": "ups_mod10",
                    "country_hint": null,
                    "length": 18,
                    "prefix": "1Z",
                    "s10_origin_country": null
                  },
                  "format_id": "ups_1z",
                  "match_score": 0.98,
                  "match_strength": "distinctive"
                }
              ],
              "carrier": {
                "id": "ups",
                "name": "UPS"
              },
              "formats_matched": 1,
              "input": {
                "normalised": "1Z879E930346834440",
                "original": "1Z 879E93 03 4683 4440"
              },
              "match_score": 0.98,
              "match_strength": "distinctive",
              "signature_version": "1.1.0",
              "upu_s10": null
            },
            "meta": {
              "capability": "parcel.detect_carrier",
              "freshness": "static",
              "source": "eckari_carrier_signatures",
              "version": "2.0.0"
            }
          },
          "type": "json"
        }
      },
      "routeTemplate": "/v1/parcels/detect-carrier",
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "additionalProperties": false,
                "properties": {
                  "destination_country": {
                    "description": "Optional ISO 3166-1 alpha-2 destination country hint. Used only as a small tie-breaker; it never invents a candidate.",
                    "pattern": "^[A-Za-z]{2}$",
                    "type": "string"
                  },
                  "origin_country": {
                    "description": "Optional ISO 3166-1 alpha-2 origin country hint. Used only as a small tie-breaker; it never invents a candidate.",
                    "pattern": "^[A-Za-z]{2}$",
                    "type": "string"
                  },
                  "tracking_number": {
                    "description": "Tracking or consignment number. Spaces and hyphens are removed and letters upper-cased before matching (4-40 letters and digits after normalisation). Digits and letters are never altered.",
                    "maxLength": 60,
                    "minLength": 4,
                    "pattern": "^[A-Za-z0-9 -]+$",
                    "type": "string"
                  }
                },
                "required": [
                  "tracking_number"
                ],
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "payment-identifier": {
      "info": {
        "required": false
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "id": {
            "maxLength": 128,
            "minLength": 16,
            "pattern": "^[a-zA-Z0-9_-]+$",
            "type": "string"
          },
          "required": {
            "type": "boolean"
          }
        },
        "required": [
          "required"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar",
    "payment-identifier"
  ],
  "sourceHost": "api.eckari.com",
  "lastUpdated": "2026-09-17T03:58:25.755Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-09-17T03:58:25.28Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.eckari.com",
    "manifest_name": "api.eckari.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}