aid: fastspring name: FastSpring description: >- FastSpring is a full-service ecommerce and merchant-of-record platform for SaaS, software, and digital product companies, handling global payments, tax compliance, subscription billing, checkout, and revenue management. The FastSpring API is a REST interface for managing orders, subscriptions, products, coupons, customers, and webhook events, secured via HTTP Basic Authentication using credentials issued from the FastSpring App Dashboard and with HMAC SHA-256 signing available for webhook payload verification. type: Index accessModel: pricing: unknown onboarding: self-serve trial: false try_now: false public: false label: Self-serve signup confidence: medium source: - authentication generated: '2026-07-22' method: derived image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/fastspring.png tags: - Ecommerce - Merchant of Record - Subscription Billing - Payments - SaaS Billing - Checkout - Tax Compliance url: >- https://raw.githubusercontent.com/api-evangelist/fastspring/refs/heads/main/apis.yml created: '2026-05-11' modified: '2026-05-30' specificationVersion: '0.19' apis: - aid: fastspring:fastspring-accounts-api name: FastSpring Accounts API description: The Accounts API from FastSpring — 3 operation(s) for accounts. humanURL: https://developer.fastspring.com baseURL: https://api.fastspring.com tags: - Accounts properties: - type: OpenAPI url: openapi/fastspring-accounts-api-openapi.yml - type: Documentation url: https://developer.fastspring.com/reference - type: GettingStarted url: https://developer.fastspring.com/reference/getting-started-with-your-api - type: Authentication url: https://developer.fastspring.com/reference/authentication - type: Webhooks url: https://developer.fastspring.com/reference/webhooks - type: Message Security url: https://developer.fastspring.com/reference/message-security - type: AsyncAPI url: >- https://raw.githubusercontent.com/api-evangelist/fastspring/refs/heads/main/asyncapi/fastspring-asyncapi.yml - aid: fastspring:fastspring-coupons-api name: FastSpring Coupons API description: The Coupons API from FastSpring — 3 operation(s) for coupons. humanURL: https://developer.fastspring.com baseURL: https://api.fastspring.com tags: - Coupons properties: - type: OpenAPI url: openapi/fastspring-coupons-api-openapi.yml - type: Documentation url: https://developer.fastspring.com/reference - type: GettingStarted url: https://developer.fastspring.com/reference/getting-started-with-your-api - type: Authentication url: https://developer.fastspring.com/reference/authentication - type: Webhooks url: https://developer.fastspring.com/reference/webhooks - type: Message Security url: https://developer.fastspring.com/reference/message-security - type: AsyncAPI url: >- https://raw.githubusercontent.com/api-evangelist/fastspring/refs/heads/main/asyncapi/fastspring-asyncapi.yml - aid: fastspring:fastspring-data-api name: FastSpring Data API description: The Data API from FastSpring — 4 operation(s) for data. humanURL: https://developer.fastspring.com baseURL: https://api.fastspring.com tags: - Data properties: - type: OpenAPI url: openapi/fastspring-data-api-openapi.yml - type: Documentation url: https://developer.fastspring.com/reference - type: GettingStarted url: https://developer.fastspring.com/reference/getting-started-with-your-api - type: Authentication url: https://developer.fastspring.com/reference/authentication - type: Webhooks url: https://developer.fastspring.com/reference/webhooks - type: Message Security url: https://developer.fastspring.com/reference/message-security - type: AsyncAPI url: >- https://raw.githubusercontent.com/api-evangelist/fastspring/refs/heads/main/asyncapi/fastspring-asyncapi.yml - aid: fastspring:fastspring-events-api name: FastSpring Events API description: The Events API from FastSpring — 2 operation(s) for events. humanURL: https://developer.fastspring.com baseURL: https://api.fastspring.com tags: - Events properties: - type: OpenAPI url: openapi/fastspring-events-api-openapi.yml - type: Documentation url: https://developer.fastspring.com/reference - type: GettingStarted url: https://developer.fastspring.com/reference/getting-started-with-your-api - type: Authentication url: https://developer.fastspring.com/reference/authentication - type: Webhooks url: https://developer.fastspring.com/reference/webhooks - type: Message Security url: https://developer.fastspring.com/reference/message-security - type: AsyncAPI url: >- https://raw.githubusercontent.com/api-evangelist/fastspring/refs/heads/main/asyncapi/fastspring-asyncapi.yml - aid: fastspring:fastspring-invoices-api name: FastSpring Invoices API description: The Invoices API from FastSpring — 2 operation(s) for invoices. humanURL: https://developer.fastspring.com baseURL: https://api.fastspring.com tags: - Invoices properties: - type: OpenAPI url: openapi/fastspring-invoices-api-openapi.yml - type: Documentation url: https://developer.fastspring.com/reference - type: GettingStarted url: https://developer.fastspring.com/reference/getting-started-with-your-api - type: Authentication url: https://developer.fastspring.com/reference/authentication - type: Webhooks url: https://developer.fastspring.com/reference/webhooks - type: Message Security url: https://developer.fastspring.com/reference/message-security - type: AsyncAPI url: >- https://raw.githubusercontent.com/api-evangelist/fastspring/refs/heads/main/asyncapi/fastspring-asyncapi.yml - aid: fastspring:fastspring-orders-api name: FastSpring Orders API description: The Orders API from FastSpring — 2 operation(s) for orders. humanURL: https://developer.fastspring.com baseURL: https://api.fastspring.com tags: - Orders properties: - type: OpenAPI url: openapi/fastspring-orders-api-openapi.yml - type: Documentation url: https://developer.fastspring.com/reference - type: GettingStarted url: https://developer.fastspring.com/reference/getting-started-with-your-api - type: Authentication url: https://developer.fastspring.com/reference/authentication - type: Webhooks url: https://developer.fastspring.com/reference/webhooks - type: Message Security url: https://developer.fastspring.com/reference/message-security - type: AsyncAPI url: >- https://raw.githubusercontent.com/api-evangelist/fastspring/refs/heads/main/asyncapi/fastspring-asyncapi.yml - aid: fastspring:fastspring-products-api name: FastSpring Products API description: The Products API from FastSpring — 3 operation(s) for products. humanURL: https://developer.fastspring.com baseURL: https://api.fastspring.com tags: - Products properties: - type: OpenAPI url: openapi/fastspring-products-api-openapi.yml - type: Documentation url: https://developer.fastspring.com/reference - type: GettingStarted url: https://developer.fastspring.com/reference/getting-started-with-your-api - type: Authentication url: https://developer.fastspring.com/reference/authentication - type: Webhooks url: https://developer.fastspring.com/reference/webhooks - type: Message Security url: https://developer.fastspring.com/reference/message-security - type: AsyncAPI url: >- https://raw.githubusercontent.com/api-evangelist/fastspring/refs/heads/main/asyncapi/fastspring-asyncapi.yml - aid: fastspring:fastspring-quotes-api name: FastSpring Quotes API description: The Quotes API from FastSpring — 3 operation(s) for quotes. humanURL: https://developer.fastspring.com baseURL: https://api.fastspring.com tags: - Quotes properties: - type: OpenAPI url: openapi/fastspring-quotes-api-openapi.yml - type: Documentation url: https://developer.fastspring.com/reference - type: GettingStarted url: https://developer.fastspring.com/reference/getting-started-with-your-api - type: Authentication url: https://developer.fastspring.com/reference/authentication - type: Webhooks url: https://developer.fastspring.com/reference/webhooks - type: Message Security url: https://developer.fastspring.com/reference/message-security - type: AsyncAPI url: >- https://raw.githubusercontent.com/api-evangelist/fastspring/refs/heads/main/asyncapi/fastspring-asyncapi.yml - aid: fastspring:fastspring-returns-api name: FastSpring Returns API description: The Returns API from FastSpring — 2 operation(s) for returns. humanURL: https://developer.fastspring.com baseURL: https://api.fastspring.com tags: - Returns properties: - type: OpenAPI url: openapi/fastspring-returns-api-openapi.yml - type: Documentation url: https://developer.fastspring.com/reference - type: GettingStarted url: https://developer.fastspring.com/reference/getting-started-with-your-api - type: Authentication url: https://developer.fastspring.com/reference/authentication - type: Webhooks url: https://developer.fastspring.com/reference/webhooks - type: Message Security url: https://developer.fastspring.com/reference/message-security - type: AsyncAPI url: >- https://raw.githubusercontent.com/api-evangelist/fastspring/refs/heads/main/asyncapi/fastspring-asyncapi.yml - aid: fastspring:fastspring-sessions-api name: FastSpring Sessions API description: The Sessions API from FastSpring — 5 operation(s) for sessions. humanURL: https://developer.fastspring.com baseURL: https://api.fastspring.com tags: - Sessions properties: - type: OpenAPI url: openapi/fastspring-sessions-api-openapi.yml - type: Documentation url: https://developer.fastspring.com/reference - type: GettingStarted url: https://developer.fastspring.com/reference/getting-started-with-your-api - type: Authentication url: https://developer.fastspring.com/reference/authentication - type: Webhooks url: https://developer.fastspring.com/reference/webhooks - type: Message Security url: https://developer.fastspring.com/reference/message-security - type: AsyncAPI url: >- https://raw.githubusercontent.com/api-evangelist/fastspring/refs/heads/main/asyncapi/fastspring-asyncapi.yml - aid: fastspring:fastspring-subscriptions-api name: FastSpring Subscriptions API description: The Subscriptions API from FastSpring — 7 operation(s) for subscriptions. humanURL: https://developer.fastspring.com baseURL: https://api.fastspring.com tags: - Subscriptions properties: - type: OpenAPI url: openapi/fastspring-subscriptions-api-openapi.yml - type: Documentation url: https://developer.fastspring.com/reference - type: GettingStarted url: https://developer.fastspring.com/reference/getting-started-with-your-api - type: Authentication url: https://developer.fastspring.com/reference/authentication - type: Webhooks url: https://developer.fastspring.com/reference/webhooks - type: Message Security url: https://developer.fastspring.com/reference/message-security - type: AsyncAPI url: >- https://raw.githubusercontent.com/api-evangelist/fastspring/refs/heads/main/asyncapi/fastspring-asyncapi.yml - aid: fastspring:fastspring-webhooks-api name: FastSpring Webhooks API description: The Webhooks API from FastSpring — 1 operation(s) for webhooks. humanURL: https://developer.fastspring.com baseURL: https://api.fastspring.com tags: - Webhooks properties: - type: OpenAPI url: openapi/fastspring-webhooks-api-openapi.yml - type: Documentation url: https://developer.fastspring.com/reference - type: GettingStarted url: https://developer.fastspring.com/reference/getting-started-with-your-api - type: Authentication url: https://developer.fastspring.com/reference/authentication - type: Webhooks url: https://developer.fastspring.com/reference/webhooks - type: Message Security url: https://developer.fastspring.com/reference/message-security - type: AsyncAPI url: >- https://raw.githubusercontent.com/api-evangelist/fastspring/refs/heads/main/asyncapi/fastspring-asyncapi.yml common: - type: AgenticAccess url: agentic-access/fastspring-agentic-access.yml - type: TrustCenter url: security/fastspring-trust-center.yml - type: DomainSecurity url: security/fastspring-domain-security.yml - type: Authentication url: authentication/fastspring-authentication.yml - type: GitHubOrganization url: https://github.com/FastSpring - type: LinkedIn url: https://www.linkedin.com/company/fastspring - type: Website url: https://fastspring.com - type: Documentation url: https://developer.fastspring.com - type: Pricing url: https://fastspring.com/pricing - type: Signup url: https://fastspring.com/contact-sales - type: App Dashboard url: https://app.fastspring.com - type: Support url: https://fastspring.com/support - type: LlmsText url: https://developer.fastspring.com/llms.txt - url: https://fastspring.com/blog/feed/ type: Blog maintainers: - FN: Kin Lane email: kin@apievangelist.com