Operations 1
Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay
Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay
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openapi: 3.2.0
info:
title: Method Card Products API
version: '2025-12-01'
license:
name: Proprietary
url: https://methodfi.com
description: 'The Method API enables you to retrieve financial data, create payments, and manage
entities and accounts programmatically.'
contact:
name: Method Financial
url: https://methodfi.com
email: team@methodfi.com
servers:
- url: https://production.methodfi.com
description: Production
- url: https://sandbox.methodfi.com
description: Sandbox
- url: https://dev.methodfi.com
description: Development
security:
- SecretKey: []
tags:
- name: Card Products
description: Card product definitions
paths:
/card_products/{product_id}:
get:
operationId: retrieveCardProduct
summary: Retrieve a card product
description: Returns a single card product by its identifier. Card products describe specific card programs from networks and issuers.
tags:
- Card Products
security:
- SecretKey: []
parameters:
- $ref: '#/components/parameters/method_version'
- name: product_id
in: path
required: true
description: Unique identifier for the card product.
schema:
type: string
responses:
'200':
description: The requested card product.
content:
application/json:
schema:
$ref: '#/components/schemas/CardProductResponse'
'400':
$ref: '#/components/responses/BadRequest'
'401':
$ref: '#/components/responses/Unauthorized'
'404':
$ref: '#/components/responses/NotFound'
'429':
$ref: '#/components/responses/RateLimited'
'500':
$ref: '#/components/responses/InternalError'
components:
responses:
InternalError:
description: Internal server error.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorEnvelope'
Unauthorized:
description: Unauthorized - missing or invalid authentication token.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorEnvelope'
RateLimited:
description: Too many requests - rate limit exceeded.
headers:
Retry-After:
description: Number of seconds to wait before retrying.
schema:
type: integer
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorEnvelope'
NotFound:
description: Not found - the requested resource does not exist.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorEnvelope'
BadRequest:
description: Bad request - invalid parameters or request body.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorEnvelope'
schemas:
ErrorEnvelope:
type: object
required:
- success
- data
- message
properties:
success:
type: boolean
description: Always `false` for error responses.
data:
type: object
required:
- error
properties:
error:
$ref: '#/components/schemas/ErrorObject'
message:
type: string
CardProduct:
type: object
description: A Card Product represents a specific card program from a network and issuer.
required:
- id
- network
- issuer
- name
- type
- created_at
- updated_at
properties:
id:
type: string
description: Unique identifier for the card product.
example: cprd_mJ3Kvx6G7hBR4
network:
type:
- string
- 'null'
description: Card network (e.g., Visa, Mastercard).
issuer:
type:
- string
- 'null'
description: Card issuing institution.
name:
type:
- string
- 'null'
description: Display name of the card product.
type:
type:
- string
- 'null'
description: The card product type.
enum:
- specific
- generic
- in_review
- null
brands:
type:
- array
- 'null'
description: Array of brand entries for this card product.
items:
type: object
properties:
id:
type: string
description: Unique identifier for the brand.
description:
type: string
description: Description of the brand.
network:
type: string
description: Card network for this brand.
network_tier:
type: string
description: Network tier for this brand.
default_image:
type: string
description: URL of the default image for this brand.
error:
$ref: '#/components/schemas/ResourceError'
created_at:
type: string
format: date-time
description: Timestamp when the card product was created.
updated_at:
type: string
format: date-time
description: Timestamp when the card product was last updated.
SuccessEnvelope:
type: object
description: Standard envelope for successful responses that return a single payload.
required:
- success
- data
- message
properties:
success:
type: boolean
description: Always `true` for successful responses.
data:
description: Operation-specific response payload.
message:
type:
- string
- 'null'
example:
success: true
data: {}
message: null
ResourceError:
type:
- object
- 'null'
required:
- type
- code
- message
properties:
type:
type: string
code:
type: integer
sub_type:
type:
- string
- 'null'
message:
type: string
ErrorObject:
type: object
required:
- type
- code
- message
properties:
type:
type: string
description: Error type category.
enum:
- invalid_request
- api_error
- resource_error
code:
type: integer
description: Numeric error code. Common codes include 400 (bad request), 401 (unauthorized), 403 (forbidden), 404 (not found), 422 (unprocessable entity), 429 (rate limited), and 500 (internal error).
sub_type:
type:
- string
- 'null'
description: More specific error classification.
message:
type: string
description: Human-readable error description.
CardProductResponse:
allOf:
- $ref: '#/components/schemas/SuccessEnvelope'
- type: object
properties:
data:
$ref: '#/components/schemas/CardProduct'
parameters:
method_version:
name: Method-Version
in: header
required: true
description: 'API version to use for this request. This spec targets `2025-12-01`.
The SDK sets this header automatically.
'
schema:
type: string
enum:
- '2025-12-01'
default: '2025-12-01'
securitySchemes:
OpalToken:
type: http
scheme: bearer
description: 'Opal token authentication for Opal session endpoints. Use an Opal token (`otkn_...`)
as the Bearer token. Created via POST /opal/token using a secret key.
'
SecretKey:
type: http
scheme: bearer
description: 'Secret key authentication. Use your team''s secret key (`sk_...`) as the Bearer token.
All authenticated API endpoints require this scheme unless otherwise noted.
'