FastSpring

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
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
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:commerce-api
    name: FastSpring API
    description: >-
      REST API for FastSpring's ecommerce platform covering orders,
      subscriptions, products, coupons, customers, sessions, returns, and
      webhooks. Authenticated using HTTP Basic credentials issued in the
      FastSpring App Dashboard under Integrations > API Credentials, with
      HMAC SHA-256 signing available to verify webhook payloads.
    humanURL: https://developer.fastspring.com
    baseURL: https://api.fastspring.com
    tags:
      - Ecommerce
      - Subscription Billing
      - Payments
      - Orders
      - Webhooks
    properties:
      - 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: OpenAPI
        url: https://raw.githubusercontent.com/api-evangelist/fastspring/refs/heads/main/openapi/fastspring-openapi.yml
      - type: AsyncAPI
        url: https://raw.githubusercontent.com/api-evangelist/fastspring/refs/heads/main/asyncapi/fastspring-asyncapi.yml

common:
  - 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: LLMsTxt
    url: https://developer.fastspring.com/llms.txt
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com