{
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    "name": "Klaviyo Accounts Conversations API",
    "description": "The Klaviyo REST API. Please visit https://developers.klaviyo.com for more details.\n\nContact Support:\n Name: Klaviyo Developer Experience Team\n Email: developers@klaviyo.com",
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    "updatedAt": "2026-07-28T02:00:36.000Z",
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      "item": [
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                "disableBodyPruning": true
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                    "description": "(Required) API endpoint revision (format: YYYY-MM-DD[.suffix])",
                    "key": "revision",
                    "value": "2026-04-15"
                  },
                  {
                    "key": "Content-Type",
                    "value": "application/vnd.api+json"
                  },
                  {
                    "key": "Accept",
                    "value": "application/vnd.api+json"
                  }
                ],
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                  "options": {
                    "raw": {
                      "headerFamily": "json",
                      "language": "json"
                    }
                  }
                },
                "url": {
                  "raw": "{{baseUrl}}/api/conversation-messages",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "api",
                    "conversation-messages"
                  ]
                },
                "description": "Send an outbound message to a conversation.\n\nRequires OAuth authentication and account-level enablement. To request access, reach out in the [developer community](https://community.klaviyo.com/groups/developer-group-64).<br><br>*Rate limits*:<br>Burst: `3/s`<br>Steady: `60/m`\n\n**Scopes:**\n`conversations:write`"
              },
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                      },
                      {
                        "key": "Content-Type",
                        "value": "application/vnd.api+json"
                      },
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                        "key": "Authorization",
                        "value": "<API Key>"
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                    ],
                    "body": {
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                      "options": {
                        "raw": {
                          "headerFamily": "json",
                          "language": "json"
                        }
                      }
                    },
                    "url": {
                      "raw": "{{baseUrl}}/api/conversation-messages",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
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                        "conversation-messages"
                      ]
                    }
                  },
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                  "code": 202,
                  "_postman_previewlanguage": "text",
                  "header": [],
                  "cookie": [],
                  "responseTime": null,
                  "body": null,
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                  "name": "Client Error",
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                    "header": [
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                        "key": "revision",
                        "value": "2026-04-15"
                      },
                      {
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                        "value": "application/vnd.api+json"
                      },
                      {
                        "key": "Accept",
                        "value": "application/vnd.api+json"
                      },
                      {
                        "description": "Added as a part of security scheme: apikey",
                        "key": "Authorization",
                        "value": "<API Key>"
                      }
                    ],
                    "body": {
                      "mode": "raw",
                      "raw": "{\n  \"data\": {\n    \"type\": \"conversation-message\",\n    \"attributes\": {\n      \"body\": \"<string>\"\n    },\n    \"relationships\": {\n      \"conversation\": {\n        \"data\": {\n          \"type\": \"conversation\",\n          \"id\": \"<string>\"\n        }\n      }\n    }\n  }\n}",
                      "options": {
                        "raw": {
                          "headerFamily": "json",
                          "language": "json"
                        }
                      }
                    },
                    "url": {
                      "raw": "{{baseUrl}}/api/conversation-messages",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "api",
                        "conversation-messages"
                      ]
                    }
                  },
                  "status": "Bad Request",
                  "code": 400,
                  "_postman_previewlanguage": "json",
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                    }
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                  "cookie": [],
                  "responseTime": null,
                  "body": "{\n  \"errors\": [\n    {\n      \"id\": \"<string>\",\n      \"code\": \"<string>\",\n      \"title\": \"<string>\",\n      \"detail\": \"<string>\",\n      \"source\": {\n        \"pointer\": \"<string>\",\n        \"parameter\": \"<string>\"\n      }\n    },\n    {\n      \"id\": \"<string>\",\n      \"code\": \"<string>\",\n      \"title\": \"<string>\",\n      \"detail\": \"<string>\",\n      \"source\": {\n        \"pointer\": \"<string>\",\n        \"parameter\": \"<string>\"\n      }\n    }\n  ]\n}",
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                },
                {
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                  "name": "Server Error",
                  "originalRequest": {
                    "method": "POST",
                    "header": [
                      {
                        "description": "(Required) API endpoint revision (format: YYYY-MM-DD[.suffix])",
                        "key": "revision",
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                      },
                      {
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                        "value": "application/vnd.api+json"
                      },
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                        "value": "application/vnd.api+json"
                      },
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                      }
                    ],
                    "body": {
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                      "options": {
                        "raw": {
                          "headerFamily": "json",
                          "language": "json"
                        }
                      }
                    },
                    "url": {
                      "raw": "{{baseUrl}}/api/conversation-messages",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "api",
                        "conversation-messages"
                      ]
                    }
                  },
                  "status": "Internal Server Error",
                  "code": 500,
                  "_postman_previewlanguage": "json",
                  "header": [
                    {
                      "key": "Content-Type",
                      "value": "application/vnd.api+json"
                    }
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                  "responseTime": null,
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    }
  ],
  "auth": {
    "type": "apikey",
    "apikey": [
      {
        "key": "key",
        "value": "Authorization",
        "type": "string"
      },
      {
        "key": "value",
        "value": "{{apiKey}}",
        "type": "string"
      },
      {
        "key": "in",
        "value": "header",
        "type": "string"
      }
    ]
  },
  "variable": [
    {
      "key": "baseUrl",
      "value": "https://a.klaviyo.com"
    }
  ]
}