Validate Messages

POST /api/validate

Validate a healthcare message. Public — no authentication required.

Request Body

Field	Type	Default	Description
`messageContent`	string	Required	Raw message content
`standard`	string	Auto-detect	`hl7`, `fhir`, `ncpdp`
`mode`	string	`"strict"`	`strict` or `compatibility`

Example

curl

curl -X POST http://localhost:5101/api/validate \
  -H "Content-Type: application/json" \
  -d '{
    "messageContent": "MSH|^~\\&|SENDER|FAC|RECV|DEST|20260222||ADT^A01|12345|P|2.3\rPID|1||MRN001^^^MRN||DOE^JOHN||19800101|M\rPV1|1|I|ER^101^A",
    "standard": "hl7",
    "mode": "strict"
  }'

Valid Response

{
  "success": true,
  "data": {
    "isValid": true,
    "errors": [],
    "warnings": [
      {
        "field": "PID.11",
        "code": "RECOMMENDED_FIELD_EMPTY",
        "message": "Patient address (PID.11) is recommended for ADT messages",
        "severity": "warning"
      }
    ]
  },
  "error": null
}

Invalid Response

{
  "success": true,
  "data": {
    "isValid": false,
    "errors": [
      {
        "field": "PID.5",
        "code": "REQUIRED_FIELD_MISSING",
        "message": "Patient name (PID.5) is required but missing",
        "severity": "error"
      }
    ],
    "warnings": []
  },
  "error": null
}

The outer success field indicates whether the API call succeeded. Check data.isValid for the validation outcome.

Generate Messages Compare Messages

Overview

Core APIs

Loft APIs

Flock APIs

Admin & Enterprise

Live Updates

POST /api/validate

Request Body

Example

Valid Response

Invalid Response

​POST /api/validate

​Request Body

​Example

​Valid Response

​Invalid Response

POST /api/validate

Request Body

Example

Valid Response

Invalid Response