---
updatedAt: 2026-02-13T13:17:56.000Z
agentTools:
  projectIndex: https://docs.interswitchgroup.com/llms.txt
---

# Link Card to Account

This API allows unblocking prepaid cards.

<br />

### Response Message  field description

| Field # | Field name    | Description                        |
| :------ | :------------ | :--------------------------------- |
| 1       | code          | Internal Response Code             |
| 2       | description   | Successful or Error Message        |
| 3       | correlationId | Request identifier                 |
| 4       | errors        | Errors array if any errors exists. |

# OpenAPI definition

```json
{
  "openapi": "3.1.0",
  "info": {
    "title": "passport-management",
    "version": "1.0"
  },
  "servers": [
    {
      "url": "https://qa.interswitchng.com/"
    }
  ],
  "components": {
    "securitySchemes": {
      "sec0": {
        "type": "oauth2",
        "flows": {}
      }
    }
  },
  "security": [
    {
      "sec0": []
    }
  ],
  "paths": {
    "/card-management/api/v1/card/linkAccount": {
      "post": {
        "summary": "Link Card to Account",
        "description": "This API allows unblocking prepaid cards.",
        "operationId": "card-management-link-card-account",
        "parameters": [
          {
            "name": "isActiveActive",
            "in": "query",
            "description": "true - request is routed through Postilion Service  false - request is routed through Postcard CMS  \\*\\* If the application is configured to restrict non active active requests, the value provided by the client may be overridden by the system and set to true",
            "schema": {
              "type": "string",
              "enum": [
                "true",
                "false"
              ]
            }
          }
        ],
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": [
                  "pan",
                  "seqNr",
                  "expiryDate",
                  "issuerNr",
                  "userId",
                  "accountId",
                  "accountType",
                  "rid"
                ],
                "properties": {
                  "pan": {
                    "type": "string",
                    "description": "Card Personal Account Number (PAN)"
                  },
                  "seqNr": {
                    "type": "string",
                    "description": "Card Sequence Number"
                  },
                  "expiryDate": {
                    "type": "string",
                    "description": "Card Expiry Date"
                  },
                  "issuerNr": {
                    "type": "string",
                    "description": "Issuer Number"
                  },
                  "userId": {
                    "type": "string",
                    "description": "User ID or Name"
                  },
                  "accountId": {
                    "type": "string",
                    "description": "Account ID or Number"
                  },
                  "accountType": {
                    "type": "string",
                    "description": "Account Type"
                  },
                  "rid": {
                    "type": "string",
                    "description": "Receiving Institution Identifier"
                  }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "200",
            "content": {
              "application/json": {
                "examples": {
                  "Result": {
                    "value": "{\n  \"code\": \"00\",\n  \"description\": \"Successful\",\n  \"correlationId\": \"5daa9a3f6ce9497d84c559aea9f924b3\"\n}"
                  }
                },
                "schema": {
                  "type": "object",
                  "properties": {
                    "code": {
                      "type": "string",
                      "example": "00"
                    },
                    "description": {
                      "type": "string",
                      "example": "Successful"
                    },
                    "correlationId": {
                      "type": "string",
                      "example": "5daa9a3f6ce9497d84c559aea9f924b3"
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "400",
            "content": {
              "application/json": {
                "examples": {
                  "Result": {
                    "value": "{\n  \"code\": \"400\",\n  \"description\": \"Unsuccessful\",\n  \"correlationId\": \"d5c294c81e904a21b3847a5f2b91de44\",\n  \"errors\": [\n    {\n      \"message\": \"File Update error - Card Lookup Failed\",\n      \"fieldName\": \"27 - P003\"\n    }\n  ]\n}\n}"
                  }
                }
              }
            }
          }
        },
        "deprecated": false
      }
    }
  },
  "x-readme": {
    "headers": [],
    "explorer-enabled": true,
    "proxy-enabled": true
  },
  "x-readme-fauxas": true
}
```