# Update payment term

Partially update a payment term. Only provided fields will be updated.

Endpoint: PATCH /payment-terms/{id}
Version: 1.0.0
Security: BearerAuth

## Path parameters:

  - `id` (string, required)
    Resource ID (UUID) or client key
    Example: "550e8400-e29b-41d4-a716-446655440000"

## Query parameters:

  - `by` (string)
    Specify lookup type for faster retrieval.
If omitted, defaults to looking up by ID first, then falls back to client key if not found.
Use by=key when you know you're providing a client key for best performance.
    Enum: "id", "key"

## Request fields (application/json):

  - `name` (string)
    Payment term name
    Example: "Net 30"

  - `description` (string,null)
    Payment term description
    Example: "Payment due 30 days from invoice date"

  - `days` (integer,null)
    Number of days until payment is due
    Example: 30

  - `quickPayFee` (number,null)
    Quick pay fee percentage
    Example: 0.05

  - `apOnly` (boolean,null)
    Whether this payment term is for accounts payable only

  - `doNotUse` (boolean,null)
    Flag to prevent using this payment term

  - `key` (string,null)
    Client-defined reference identifier
    Example: "ERP-PAYTERM-NET30"

## Response 200 fields (application/json):

  - `id` (string, required)
    Unique payment term identifier
    Example: "550e8400-e29b-41d4-a716-446655440000"

  - `name` (string, required)
    Payment term name
    Example: "Net 30"

  - `description` (string,null)
    Payment term description or notes
    Example: "Payment due 30 days from invoice date"

  - `days` (integer,null)
    Number of days until payment is due
    Example: 30

  - `quickPayFee` (number,null)
    Quick pay fee percentage (e.g., 0.05 for 5%)
    Example: 0.05

  - `apOnly` (boolean,null)
    Whether this payment term is for accounts payable only

  - `doNotUse` (boolean,null)
    Flag to prevent using this payment term for new transactions

  - `key` (string,null)
    Client-defined reference identifier
    Example: "ERP-PAYTERM-NET30"

  - `createdAt` (string, required)
    When the payment term was created
    Example: "2025-01-15T10:00:00Z"

  - `updatedAt` (string, required)
    When the payment term was last updated
    Example: "2025-01-15T14:30:00Z"

  - `deletedAt` (string,null)
    When the payment term was soft deleted (null if active)

## Response 400 fields (application/json):

  - `error` (string, required)
    Error code

  - `message` (string, required)
    Human-readable error message

## Response 401 fields (application/json):

  - `error` (string, required)
    Error code

  - `message` (string, required)
    Human-readable error message

## Response 404 fields (application/json):

  - `error` (string, required)
    Error code

  - `message` (string, required)
    Human-readable error message

## Response 422 fields (application/json):

  - `error` (string, required)
    Error code
    Example: "validation_error"

  - `message` (string, required)
    Human-readable error message

  - `details` (array, required)
    Validation error details

  - `details.field` (string, required)
    Field name that failed validation

  - `details.message` (string, required)
    Validation error message

## Response 429 fields (application/json):

  - `error` (string, required)
    Error code

  - `message` (string, required)
    Human-readable error message