> ## Documentation Index
> Fetch the complete documentation index at: https://docs.getsly.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Create an embedded widget session

> Returns a short-lived session token to pass to the Plaid Link or Belvo widget client-side. The user completes the link flow in the browser; the resulting public_token is then used with POST /sources.



## OpenAPI

````yaml /api-reference/openapi.json post /v1/funding/widget-sessions
openapi: 3.1.0
info:
  title: Sly API
  description: >-
    The Agentic Economy Platform — stablecoin payments, agent wallets,
    multi-protocol commerce, and AI agent orchestration.
  version: 1.0.0
  contact:
    name: Sly
    url: https://getsly.ai
    email: support@getsly.ai
servers:
  - url: https://api.getsly.ai/v1
    description: Production
  - url: https://sandbox.getsly.ai/v1
    description: Sandbox
security:
  - bearerAuth: []
paths:
  /v1/funding/widget-sessions:
    post:
      tags:
        - Funding
      summary: Create an embedded widget session
      description: >-
        Returns a short-lived session token to pass to the Plaid Link or Belvo
        widget client-side. The user completes the link flow in the browser; the
        resulting public_token is then used with POST /sources.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                provider:
                  type: string
                  enum:
                    - plaid
                    - belvo
                account_id:
                  type: string
                  format: uuid
                products:
                  type: array
                  items:
                    type: string
                  description: >-
                    Plaid: ["auth","transactions"]; Belvo: equivalent product
                    list
              required:
                - provider
                - account_id
      responses:
        '201':
          description: Session created
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: object
                    properties:
                      link_token:
                        type: string
                      expires_at:
                        type: string
                        format: date-time
                    required:
                      - link_token
                      - expires_at
                required:
                  - data
      security:
        - bearerAuth: []
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: >-
        API key (pk_test_* or pk_live_*), JWT session, agent token (agent_*),
        Ed25519 session (sess_*), or portal token (portal_*).

````