---
updatedAt: 2026-04-21T04:46:34.000Z
agentTools:
  projectIndex: https://developer.alloy.com/public/llms.txt
---

# Get all Custom Lists

Returns the set of all Custom Lists created per customer

# OpenAPI definition

```json
{
  "openapi": "3.0.0",
  "info": {
    "title": "Alloy API",
    "version": "1.0.0",
    "description": "hey hey hey, it's the Alloy API!"
  },
  "servers": [
    {
      "url": "https://sandbox.alloy.co/v1",
      "description": "Sandbox endpoint"
    }
  ],
  "security": [
    {
      "oauth2": []
    },
    {
      "basic": []
    }
  ],
  "tags": [
    {
      "name": "Custom Lists",
      "description": "Match inbound values against any data element sent in to Alloy. These lists can be used for standard Allow or Denylist purposes, or for more custom matching use cases."
    }
  ],
  "paths": {
    "/custom-lists": {
      "get": {
        "tags": [
          "Custom Lists"
        ],
        "summary": "Get all Custom Lists",
        "description": "Returns the set of all Custom Lists created per customer",
        "responses": {
          "200": {
            "description": "A set of all Custom Lists",
            "content": {
              "application/json": {
                "schema": {
                  "type": "array",
                  "items": {
                    "type": "object",
                    "properties": {
                      "custom_list_token": {
                        "type": "string",
                        "pattern": "^CI-[\\dA-Za-z]{20}$"
                      },
                      "name": {
                        "type": "string"
                      },
                      "description": {
                        "type": "string"
                      },
                      "created_at": {
                        "type": "string",
                        "format": "date-time"
                      },
                      "active_version": {
                        "type": "string",
                        "nullable": true,
                        "description": "Active version of the list"
                      },
                      "active_columns": {
                        "type": "array",
                        "items": {
                          "type": "object",
                          "properties": {
                            "name": {
                              "type": "string"
                            },
                            "contains_pii": {
                              "type": "boolean"
                            },
                            "sort_order": {
                              "type": "integer"
                            }
                          }
                        }
                      },
                      "total_active_entries": {
                        "type": "integer",
                        "nullable": true
                      },
                      "total_versions": {
                        "type": "integer"
                      }
                    }
                  }
                },
                "example": [
                  {
                    "custom_list_token": "CI-jCAQRMrWipKyP9VLPuuH",
                    "name": "Allow List",
                    "description": "My allow list",
                    "created_at": "2025-08-28T17:26:39.690Z",
                    "active_version": "1.5",
                    "total_active_entries": 10000,
                    "active_columns": [
                      "first_name",
                      "last_name"
                    ],
                    "total_versions": 13
                  },
                  {
                    "custom_list_token": "CI-nkzr3ZvedYyr3uz582lC",
                    "name": "Deny List",
                    "description": "My deny list",
                    "created_at": "2025-08-26T20:18:12.870Z",
                    "active_version": "4.3",
                    "total_active_entries": 5000,
                    "active_columns": [
                      "a",
                      "b",
                      "c"
                    ],
                    "total_versions": 13
                  },
                  {
                    "custom_list_token": "CI-CDJhNfFruW3WNCDy5SPB",
                    "name": "My Custom List",
                    "description": "My custom list",
                    "created_at": "2025-08-18T15:37:17.736Z",
                    "active_version": "7.7",
                    "total_active_entries": 2000,
                    "active_columns": [
                      "business_name",
                      "business_address"
                    ],
                    "total_versions": 22
                  }
                ]
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "securitySchemes": {
      "basic": {
        "type": "http",
        "description": "HTTP basic authorization using a workflow token and secret",
        "scheme": "basic"
      },
      "oauth2": {
        "type": "oauth2",
        "description": "Oauth2 using a workflow token and secret to generate a bearer token",
        "flows": {
          "clientCredentials": {
            "tokenUrl": "/oauth/bearer",
            "scopes": {}
          }
        }
      }
    }
  },
  "x-readme": {
    "explorer-enabled": false
  }
}
```