Subbly
Subbly is a subscription-first commerce platform for building and running subscription boxes, memberships, and recurring-product businesses without code. Alongside the no-code storefront and merchant admin, Subbly ships a developer surface for headless and custom builds: the SubblyCart.js embeddable cart widget and the Subbly.js SDK (@subbly/sdk), a browser-side client that talks to Subbly's REST backend to manage products, bundles, carts, checkout and purchase, customers, and subscriptions. Subbly also exposes a public Orders API for integrating directly with any 3PL / fulfillment provider (documentation is provided by Subbly on request), plus an in-app webhook platform for notifying external services of order and subscription events. Subbly does not publish a fully open, self-serve REST reference or an OpenAPI definition; the SDK abstracts the underlying endpoints, so the API surface modeled here is derived from the documented SDK operations and is flagged as modeled.
Subbly publishes 4 APIs on the APIs.io network, including Cart API, Customers API, Products API, and 1 more. Tagged areas include Subscriptions, Subscription Commerce, Ecommerce, Subscription Box, and Recurring Billing.
Subbly’s developer surface includes authentication, documentation, SDKs, pricing, engineering blog, and 9 more developer resources.
Kin Score
APIs 6
Individual APIs this provider publishes, each with its own machine-readable definition.
Subbly Orders API
Public Orders API for integrating Subbly orders directly with any third-party logistics (3PL) / fulfillment provider. Subbly states it will provide the Orders API documentation ...
Subbly Webhooks
In-app webhook platform that notifies external and internal services of Subbly events (order and subscription lifecycle) with configurable conditions and variables. Webhooks are...
Subbly Cart API
Cart and checkout operations (modeled from the SDK and SubblyCart.js).
Subbly Customers API
Customer accounts, addresses, and payment methods (modeled from the SDK).
Subbly Products API
Storefront products and bundles (modeled from the SDK).
Subbly Subscriptions API
Customer subscriptions and preferences (modeled from the SDK).
Open Collections 1
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Subbly Storefront API (Modeled)
OPEN COLLECTIONPricing Plans 1
Published pricing tiers and plan structures.
Subbly Plans Pricing
PLANSRate Limits 1
Documented rate limits and quota policies.
Subbly Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Subbly Finops
FINOPSSecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Get Started 1
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 2
Authentication, authorization, and security posture
Operate 2
Status, limits, changes, and where to get help
Commercial 3
Pricing, plans, and the legal terms of use
Company 3
The organization behind the API