# Update Message

**PATCH /requests/{requestId}/messages/{messageId}**

Partially update a message. Only provided fields will be updated.

Setting `text` to `null` will clear the text field while leaving the title unchanged.



## Servers
- Production server.: https://api.usecollect.com/v1 (Production server.)


## Authentication methods
- Basic auth


## Parameters

### Path parameters
- **requestId** (string)
  The ID of the request
- **messageId** (string)
  The ID of the message


### Body: application/json (object)

- **title** (string)
  The new title (must be non-null string if provided)
- **text** (string | null)
  The new message content. Can be `null` to clear the text.

  Supports markdown formatting including bold, italic, headers, lists, code blocks, and links. Raw HTML is not allowed and all content is sanitized to prevent XSS attacks.


## Responses
### 200
Message updated successfully

#### Body: application/json (object)
- **id** (string)
  Unique identifier for the message (format: msg_xxx)
- **requestId** (string)
  The ID of the request this message belongs to
- **title** (string)
  The title/subject of the message
- **text** (string | null)
  The message content (supports markdown). Can be `null` if no text.

  Supports markdown formatting including bold text, italic text, headers, lists, code blocks, and links. Raw HTML is not allowed and all content is sanitized to prevent XSS attacks.
- **createdAt** (string(date-time))
  When the message was created (ISO 8601 format, UTC)
- **updatedAt** (string(date-time))
  When the message was last updated (ISO 8601 format, UTC)

### 400
Bad Request -- Your request is invalid.

### 401
Unauthorized -- Your API key is wrong.

### 403
Forbidden -- The object requested is hidden for administrators only.

### 404
Not Found -- The specified object could not be found.

### 429
Too Many Requests -- You're requesting too many objects! Slow down!

### 500
Internal Server Error -- We had a problem with our server. Try again later.

### 503
Service Unavailable -- We're temporarily offline for maintenance. Please try again later.


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