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POST
/
workspace
/
{workspace_id}
/
custom-fields
Create workspace custom field
curl --request POST \
  --url https://api.firma.dev/functions/v1/signing-request-api/workspace/{workspace_id}/custom-fields \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "field_label": "<string>",
  "field_name": "<string>",
  "is_preset": false,
  "preset_value": "<string>"
}
'
{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "field_name": "<string>",
  "field_label": "<string>",
  "is_preset": true,
  "preset_value": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}

Documentation Index

Fetch the complete documentation index at: https://docs.firma.dev/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

API key for authentication. Use your API key directly without any prefix (e.g., 'your-api-key'). Bearer prefix is optional but not required.

Path Parameters

​
workspace_id
string<uuid>
required

Workspace ID

Body

application/json
​
field_label
string
required

Display label (1-100 characters)

Maximum string length: 100
​
field_name
string

Optional machine-readable name (auto-generated from label if not provided)

Maximum string length: 50
​
is_preset
boolean
default:false

If true, field has a preset value for all users

​
preset_value
string

Preset value (max 500 characters, only used when is_preset=true)

Maximum string length: 500

Response

Custom field created successfully

A custom field definition for a workspace

​
id
string<uuid>

Unique identifier

​
field_name
string

Machine-readable field name (auto-generated from label)

​
field_label
string

Human-readable display label

​
is_preset
boolean

If true, this field has a preset value for all users

​
preset_value
string | null

Preset value (only used when is_preset=true)

​
created_at
string<date-time>
​
updated_at
string<date-time>