openapi: 3.0.3 info: title: Lithic 3DS Credit Product API description: The Lithic API is a card issuing and issuer-processor platform for issuing virtual and physical cards, authorizing and clearing transactions, moving money across ledgered financial accounts, and managing the full card lifecycle - KYC/KYB account holder onboarding, authorization rules and real-time Auth Stream Access (ASA) decisioning, disputes, tokenization into digital wallets, 3DS authentication, ACH payments, book transfers, external payments, settlement reporting, and fraud/transaction monitoring. This document curates the real, published Lithic OpenAPI 3.1 definitions (https://github.com/lithic-com/lithic-openapi) into the endpoint surface referenced by this apis.yml, expressed as OpenAPI 3.0.3 with lightweight response schemas. Requests are authenticated with an API key sent as the raw value of the Authorization header (not a Bearer token). version: 1.0.0 contact: name: Lithic url: https://www.lithic.com license: name: Apache 2.0 url: https://www.apache.org/licenses/LICENSE-2.0.txt servers: - url: https://api.lithic.com description: Production - url: https://sandbox.lithic.com description: Sandbox (mirrors production functionality) security: - ApiKeyAuth: [] tags: - name: Credit Product description: Credit product configuration, extended credit, and prime rates. paths: /v1/credit_products/{credit_product_token}/extended_credit: get: operationId: getExtendedCredit tags: - Credit Product summary: Get extended credit description: Get the extended credit for a given credit product under a program parameters: - name: credit_product_token in: path required: true description: Credit Product Token schema: type: string responses: '200': description: Successful response. content: application/json: schema: $ref: '#/components/schemas/CreditProduct' '401': $ref: '#/components/responses/Unauthorized' '422': $ref: '#/components/responses/ValidationError' /v1/credit_products/{credit_product_token}/prime_rates: get: operationId: getPrimeRates tags: - Credit Product summary: Get Credit Product Prime Rates description: Get Credit Product Prime Rates parameters: - name: credit_product_token in: path required: true description: Globally unique identifier for credit products. schema: type: string responses: '200': description: Successful response. content: application/json: schema: $ref: '#/components/schemas/CreditProduct' '401': $ref: '#/components/responses/Unauthorized' '422': $ref: '#/components/responses/ValidationError' post: operationId: createPrimeRates tags: - Credit Product summary: Post Credit Product Prime Rate description: Post Credit Product Prime Rate parameters: - name: credit_product_token in: path required: true description: Globally unique identifier for credit products. schema: type: string requestBody: required: true content: application/json: schema: type: object additionalProperties: true responses: '200': description: Successful response. content: application/json: schema: $ref: '#/components/schemas/CreditProduct' '401': $ref: '#/components/responses/Unauthorized' '422': $ref: '#/components/responses/ValidationError' components: responses: ValidationError: description: The request failed validation. Unauthorized: description: Missing or invalid API key. schemas: CreditProduct: type: object description: Credit product configuration, extended credit, and prime rates. properties: token: type: string format: uuid description: Globally unique identifier for the object. created: type: string format: date-time additionalProperties: true securitySchemes: ApiKeyAuth: type: apiKey in: header name: Authorization description: Raw API secret key value (not prefixed with "Bearer").