---
updatedAt: 2026-08-09T16:52:59.000Z
agentTools:
  projectIndex: https://docs.zerohash.com/llms.txt
---

# Get participant document metadata

Returns a list of KYC document metadata for a participant. Does not include document contents or signed URLs.

# OpenAPI definition

```json
{
  "openapi": "3.1.0",
  "info": {
    "title": "zerohash API",
    "description": "\n### Authentication\n\nzerohash Uses HMAC SHA-256 verification to ensure the authenticity of API requests, follow instructions by link [https://docs.zerohash.com/reference/api-authentication](https://docs.zerohash.com/reference/api-authentication)\n\n<a href=\"/zh-swagger.json\">Download zerohash OpenAPI Schema as JSON</a>\n",
    "version": "1.7.0"
  },
  "servers": [
    {
      "url": "https://api.cert.zerohash.com",
      "description": "Certification API server"
    }
  ],
  "x-readme": {
    "proxy-enabled": false
  },
  "tags": [
    {
      "name": "Query Participants",
      "description": "Generic Participant management endpoints"
    }
  ],
  "paths": {
    "/participant/{participant_code}/full_info/document_metadata": {
      "get": {
        "tags": [
          "Query Participants"
        ],
        "summary": "Get participant document metadata",
        "description": "Returns a list of KYC document metadata for a participant. Does not include document contents or signed URLs.",
        "parameters": [
          {
            "$ref": "#/components/parameters/Signature"
          },
          {
            "$ref": "#/components/parameters/Timestamp"
          },
          {
            "$ref": "#/components/parameters/ParticipantCodePath"
          }
        ],
        "responses": {
          "200": {
            "description": "Successfully retrieved document metadata list. Returns an empty array if no documents exist for the participant.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/GetDocumentMetadataResponse"
                }
              }
            }
          },
          "400": {
            "description": "Bad Request",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Code400"
                }
              }
            }
          },
          "403": {
            "description": "Forbidden",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Code403"
                }
              }
            }
          },
          "404": {
            "description": "Not Found",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Code404"
                }
              }
            }
          },
          "500": {
            "description": "Internal Server Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Code500"
                }
              }
            }
          },
          "503": {
            "description": "Service Unavailable",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Code503"
                }
              }
            }
          }
        }
      }
    }
  },
  "security": [
    {
      "apiKey": [],
      "apiPassphrase": []
    }
  ],
  "components": {
    "securitySchemes": {
      "apiKey": {
        "type": "apiKey",
        "description": "Your API public key. See the [Authentication guide](https://docs.zerohash.com/reference/api-authentication) for how to obtain keys.",
        "in": "header",
        "name": "X-SCX-API-KEY"
      },
      "apiPassphrase": {
        "type": "apiKey",
        "description": "The passphrase associated with your API key, set when the key was created.",
        "in": "header",
        "name": "X-SCX-PASSPHRASE"
      }
    },
    "parameters": {
      "Signature": {
        "name": "X-SCX-SIGNED",
        "in": "header",
        "description": "HMAC-SHA256 signature of the request, base64-encoded. See the [Authentication guide](https://docs.zerohash.com/reference/api-authentication) for the exact signing formula.",
        "required": true,
        "schema": {
          "type": "string"
        }
      },
      "Timestamp": {
        "name": "X-SCX-TIMESTAMP",
        "in": "header",
        "description": "Current Unix timestamp in seconds. Must be within 60 seconds of server time or the request is rejected.",
        "required": true,
        "schema": {
          "type": "string",
          "example": "1678901234"
        }
      },
      "ParticipantCodePath": {
        "name": "participant_code",
        "in": "path",
        "description": "Unique participant identifier. Always 6 uppercase alphanumeric characters.",
        "required": true,
        "schema": {
          "type": "string",
          "pattern": "^[A-Z0-9]{6}$",
          "example": "ABCDEF"
        }
      }
    },
    "schemas": {
      "Code400": {
        "type": "object",
        "description": "Request was rejected by validation or a downstream service. `errors` is an array of human-readable messages; each entry describes a single validation failure or business-rule violation.",
        "required": [
          "errors"
        ],
        "properties": {
          "errors": {
            "type": "array",
            "items": {
              "type": "string"
            },
            "example": [
              "body/amount must be >= 0",
              "body/asset is required"
            ]
          }
        }
      },
      "Code403": {
        "type": "object",
        "description": "Authentication or authorization failed. `error` is always `true`; `message` explains which check failed (missing API key, bad signature, insufficient permission, etc.).",
        "required": [
          "error",
          "message"
        ],
        "properties": {
          "error": {
            "type": "boolean",
            "example": true
          },
          "message": {
            "type": "string",
            "example": "This api key does not have write permission to this endpoint"
          }
        }
      },
      "Code404": {
        "type": "object",
        "description": "The requested resource does not exist or is not visible to the caller.",
        "required": [
          "error"
        ],
        "properties": {
          "error": {
            "type": "string",
            "example": "Not Found"
          }
        }
      },
      "Code500": {
        "type": "object",
        "description": "An unexpected error occurred on the server. The request can be retried after a short delay, but the same inputs may reproduce the error.",
        "required": [
          "error"
        ],
        "properties": {
          "error": {
            "type": "string",
            "example": "Internal Server Error"
          }
        }
      },
      "Code503": {
        "type": "object",
        "description": "A downstream dependency was unavailable, timed out, or returned a retryable error. Safe to retry; the response carries a `zh-allow-retry: true` header.",
        "required": [
          "error"
        ],
        "properties": {
          "error": {
            "type": "string",
            "example": "Service Unavailable"
          }
        }
      },
      "DocumentType": {
        "type": "string",
        "enum": [
          "articles_of_incorporation",
          "articles_of_organization",
          "business_license",
          "business_name_filing_document",
          "by_laws",
          "certificate_of_good_standing",
          "certificate_of_incorporation",
          "certificate_of_organization",
          "operating_agreement",
          "partnership_agreement",
          "proof_of_address",
          "proof_of_non_profit_status",
          "legacy_document",
          "miscellaneous",
          "ssn",
          "us_drivers_license",
          "us_passport",
          "us_passport_card",
          "us_permanent_resident_card",
          "us_border_crossing_card",
          "us_alien_card",
          "us_id_card",
          "non_us_passport",
          "non_us_other",
          "investor_category_agreement",
          "us_temporary_resident_card",
          "us_visa",
          "proof_of_income",
          "eu_passport",
          "eu_id_card",
          "eu_drivers_license",
          "eu_address_verification",
          "form_w9",
          "form_w8_ben",
          "form_w8_ben_e",
          "form_w8_imy",
          "form_w8_eci",
          "form_w8_exp",
          "form_w8_ce",
          "source_of_funds_for_purchase",
          "proof_of_employment_status",
          "proof_of_industry",
          "excerpt_of_the_chamber_of_commerce",
          "proof_of_residence",
          "articles_of_associations",
          "trust_agreement",
          "certificate_of_good_conduct_of_entrepreneur",
          "certificate_of_good_conduct_of_nnp",
          "source_of_funds",
          "financial_report",
          "certified_valid_id_of_control_person_and_beneficial_owner",
          "power_of_authorization",
          "official_proof_of_public_legal_entity_status",
          "id_of_submitter",
          "group_of_companies_chart_including_affiliated_foundation",
          "lei_certificate",
          "annual_accounts",
          "legal_opinion",
          "supporting_document"
        ],
        "description": "Type of KYC document.",
        "example": "us_passport"
      },
      "DocumentMetadataEntity": {
        "type": "object",
        "properties": {
          "document_id": {
            "type": "string",
            "description": "Unique identifier (SHA-256 hash) for the document.",
            "example": "e39e7b6a908e397dac50e461eb2d284820214ca2cb3c4aa9aeb9dfc1873332a0"
          },
          "file_name": {
            "type": "string",
            "description": "Original file name of the uploaded document.",
            "example": "passport.pdf"
          },
          "participant_code": {
            "type": "string",
            "description": "Unique alphanumeric code for the participant (format: 6 alphanumeric characters).",
            "example": "ABCDEF"
          },
          "document_type": {
            "$ref": "#/components/schemas/DocumentType"
          },
          "id_front": {
            "type": "boolean",
            "description": "Indicates whether this is the front side of an ID document. Only present/applicable when the document is an identity document with front/back sides."
          },
          "created_at": {
            "type": "number",
            "format": "int64",
            "description": "Unix timestamp in milliseconds indicating when the document was uploaded.",
            "example": 1678901234567
          }
        }
      },
      "GetDocumentMetadataResponse": {
        "type": "object",
        "properties": {
          "message": {
            "type": "object",
            "properties": {
              "participant_code": {
                "type": "string",
                "description": "Unique alphanumeric code for the participant (format: 6 alphanumeric characters).",
                "example": "ABCDEF"
              },
              "documents": {
                "type": "array",
                "description": "Array of document metadata objects for the participant. Returns an empty array if no documents exist.",
                "items": {
                  "$ref": "#/components/schemas/DocumentMetadataEntity"
                }
              }
            }
          }
        }
      }
    }
  }
}
```