openapi: 3.0.3
info:
  title: SignNow REST Authentication Templates API
  description: The SignNow REST API enables developers to embed legally binding e-signature workflows into any application. It supports document upload, template-based signing workflows, signature invitations, bulk signing, user management, and webhook notifications.
  version: '2.0'
  contact:
    name: SignNow API Support
    email: api@signnow.com
    url: https://docs.signnow.com
  termsOfService: https://www.signnow.com/terms-of-service
  license:
    name: MIT
    url: https://github.com/signnow/OpenAPI-Specification/blob/master/LICENSE
servers:
- url: https://api.signnow.com
  description: Production
- url: https://api-eval.signnow.com
  description: Sandbox
security:
- BearerAuth: []
tags:
- name: Templates
  description: Create and manage document templates
paths:
  /template:
    get:
      operationId: listTemplates
      summary: List Templates
      description: Retrieve all document templates for the authenticated user.
      tags:
      - Templates
      responses:
        '200':
          description: List of templates
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Template'
    post:
      operationId: createTemplate
      summary: Create Template
      description: Create a new reusable document template from an uploaded document.
      tags:
      - Templates
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - document_id
              - document_name
              properties:
                document_id:
                  type: string
                  description: Source document ID to convert to template
                document_name:
                  type: string
                  description: Name for the template
      responses:
        '200':
          description: Template created
          content:
            application/json:
              schema:
                type: object
                properties:
                  id:
                    type: string
                    description: Template ID
  /template/{template_id}:
    get:
      operationId: getTemplate
      summary: Get Template
      description: Retrieve details of a specific document template.
      tags:
      - Templates
      parameters:
      - name: template_id
        in: path
        required: true
        schema:
          type: string
        description: Unique template identifier
      responses:
        '200':
          description: Template details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Template'
        '404':
          description: Template not found
    delete:
      operationId: deleteTemplate
      summary: Delete Template
      description: Delete a document template from SignNow.
      tags:
      - Templates
      parameters:
      - name: template_id
        in: path
        required: true
        schema:
          type: string
        description: Unique template identifier
      responses:
        '200':
          description: Template deleted
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
components:
  schemas:
    Field:
      type: object
      properties:
        type:
          type: string
          enum:
          - signature
          - initials
          - text
          - date
          - checkbox
          - dropdown
          - radiobutton
          description: Field type
        x:
          type: number
          description: X coordinate on page
        y:
          type: number
          description: Y coordinate on page
        width:
          type: number
          description: Field width
        height:
          type: number
          description: Field height
        page_number:
          type: integer
          description: Page number (0-indexed)
        role_id:
          type: string
          description: Role assigned to fill this field
        required:
          type: boolean
          description: Whether this field is required
        label:
          type: string
          description: Field label
    Template:
      type: object
      properties:
        id:
          type: string
          description: Template ID
        document_name:
          type: string
          description: Template name
        created:
          type: string
          format: date-time
        updated:
          type: string
          format: date-time
        roles:
          type: array
          items:
            type: object
            properties:
              unique_id:
                type: string
              name:
                type: string
              signing_order:
                type: integer
          description: Signing roles in this template
        fields:
          type: array
          items:
            $ref: '#/components/schemas/Field'
        page_count:
          type: integer
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: OAuth 2.0 Bearer token. Obtain via POST /oauth2/token.
externalDocs:
  description: SignNow API Documentation
  url: https://docs.signnow.com/docs/signnow/welcome