> ## Documentation Index > Fetch the complete documentation index at: https://docs.synctera.com/llms.txt > Use this file to discover all available pages before exploring further. # Get a widget access token > Create an ephemeral (short-term, limited-scope) access token for interacting with a card via Synctera widgets. ## OpenAPI ````yaml openapi-v1.json get /cards/{card_id}/widget_token openapi: 3.0.3 info: description: >- This is the official reference documentation for Synctera APIs. If you need something specific or have a question, contact us.

license: name: Apache 2.0 url: https://www.apache.org/licenses/LICENSE-2.0.html title: Synctera API version: 1.181.0 servers: - description: Production url: https://api.synctera.com/v1 - description: Sandbox (no real world financial impact) url: https://api-sandbox.synctera.com/v1 security: - bearerAuth: [] tags: - description: | Requests to create and manage Rewards name: Rewards (beta) - description: Requests to generate simulated webhooks name: Card Webhook Simulations - description: >- Testing endpoints to simulate in-store cash deposits. Available in sandbox environments only. name: In-Store Cash Deposit Simulations - description: Create and manage spending controls name: Spend Controls (beta) - description: Rates name: Rates - description: Requests to create and manage webhooks name: Webhooks - description: Tenant Config name: Tenant Config - description: FDX authentication and data transfer using Plaid Core Exchange name: Plaid Core Exchange (beta) - description: Create and manage disputes name: Disputes - description: Requests to simulate card payments name: Card Simulations - description: | Manage fee products and fee configs for automated fee collection name: Fee Products - description: Apple Pay APIs name: Apple Pay - description: Lending Config name: Lending Config - description: Payments related to lending accounts name: Payments - description: Manage negative balance processes name: Negative Balance - description: Configuration for mapping LoanPro events to Payola transaction parameters name: LoanPro Transaction Event Config - description: Requests to generate simulated transactions name: Cash Transaction Simulations (alpha) - description: Create and manage transactions name: Transactions (beta) - description: Autopay payment records for billing periods name: Autopays - description: Create and manage accounts name: Accounts - description: | Requests to create and manage batch payments name: Batch Payments (alpha) - description: Billing rates name: Billing Rates - description: Bank Delinquency Configuration name: Bank Delinquency Configuration - description: >- Rules that map a posted payment transaction (bank/partner + transaction attributes) to a regulatory payment code. NULL match columns act as wildcards. name: Payment Code Configuration - description: Create and manage Synctera Pay templates name: SyncteraPay - description: | Manage reward products and reward configs for automated cashback rewards name: Reward Products - description: Requests to create and manage card disputes name: Card Disputes - description: >- Per bank/partner account-type mapping to FFIEC collateral codes used for regulatory call report furnishment. name: Collateral Code Configuration - description: Bulk card issuance name: Bulk Issuance - description: Autopay configuration management for lending accounts name: Autopay Configs - description: Request to create and manage exclusions name: Statements - description: Create and manage barcodes for in-store cash deposits name: In-Store Cash Deposits - description: Customer Service Details for disputes and billing inquiries name: Customer Service Details - description: Create a credit application. name: Applications (beta) - description: Requests to generate simulated transactions name: Card Transaction Simulations - description: Billing period summaries name: Billing Period Summaries - description: Requests to issue and manage cards name: Cards - description: Push and pull from cards name: External Cards - description: | Requests to create and manage fees name: Fees (beta) paths: /cards/{card_id}/widget_token: summary: Get Card Widget Access Token description: | Get an ephemeral token for use with Synctera widgets. get: tags: - Cards summary: Get a widget access token description: > Create an ephemeral (short-term, limited-scope) access token for interacting with a card via Synctera widgets. operationId: getWidgetAccessToken parameters: - $ref: '#/components/parameters/card_id' - $ref: '#/components/parameters/card_widget_type_query' - $ref: '#/components/parameters/idempotency_key' responses: '200': content: application/json: schema: $ref: '#/components/schemas/widget_token' description: Client token '400': $ref: '#/components/responses/bad_request' '401': $ref: '#/components/responses/unauthorized' '403': $ref: '#/components/responses/forbidden' '422': $ref: '#/components/responses/unprocessable_entity' '500': $ref: '#/components/responses/internal_server_error' components: parameters: card_id: in: path name: card_id required: true schema: $ref: '#/components/schemas/card_id' card_widget_type_query: in: query name: widget_type required: true schema: $ref: '#/components/schemas/card_widget_type' idempotency_key: description: >- An idempotency key is an arbitrary unique value generated by client to detect subsequent retries of the same request. It is recommended that a UUID or a similar random identifier be used as an idempotency key. A different key must be used for each request, unless it is a retry. in: header name: Idempotency-Key schema: example: 7d943c51-e4ff-4e57-9558-08cab6b963c7 type: string schemas: widget_token: properties: tenant: $ref: '#/components/schemas/tenant_id' widget_token: description: A short-lived, one-time token for use with Synctera widgets example: 0b0319e2-d5f4-49cb-b426-9ff9b2e96969 type: string required: - tenant - widget_token title: Widget Token type: object card_id: description: The unique identifier of a card example: 7d943c51-e4ff-4e57-9558-08cab6b963c7 format: uuid type: string card_widget_type: enum: - ACTIVATE - GET_PIN - REVEAL - SET_PIN type: string tenant_id: description: | The id of the tenant containing the resource. example: abcdef_ghijkl type: string error: description: Synctera error responses in API v1 implement a custom error schema. properties: code: description: > A machine-readable string that identifies the error for programmatic use. example: BAD_REQUEST_BODY type: string detail: description: | A human-readable string explaining this particular error. example: 'Missing required fields: first_name, dob' type: string status: description: HTTP status code for this response example: 400 type: integer title: Synctera error response type: object responses: bad_request: content: application/json: schema: $ref: '#/components/schemas/error' description: Bad request unauthorized: content: application/json: schema: $ref: '#/components/schemas/error' description: Unauthorized forbidden: content: application/json: schema: $ref: '#/components/schemas/error' description: Forbidden unprocessable_entity: content: application/json: schema: $ref: '#/components/schemas/error' description: Unprocessable entity internal_server_error: content: application/json: schema: $ref: '#/components/schemas/error' description: Internal server error securitySchemes: bearerAuth: bearerFormat: api_key scheme: bearer type: http ````