SamCart

SamCart is a checkout and e-commerce platform for selling digital products, courses, memberships, and physical goods directly to customers, built around a high-converting CheckoutOS checkout, one-click upsells, subscriptions, and a courses/members area. The SamCart Public API (v1) is a REST API at https://api.samcart.com/v1 that gives programmatic read access to a marketplace's orders, products, customers, subscriptions, charges, and refunds, plus write actions to cancel or schedule cancellation of subscriptions, refund charges, and update order custom fields. Authentication is via an sc-api API key header, and API access is provisioned by the SamCart Support team rather than fully self-serve.

SamCart publishes 6 APIs on the APIs.io network, including Charges API, Customers API, Orders API, and 3 more. Tagged areas include E-Commerce, Checkout, Payments, Subscription, and Digital Products.

SamCart’s developer surface includes authentication, documentation, engineering blog, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub

34.6/100 thin ▬ flat Agent 30/100 agent ready saas Full breakdown ↓
scored 2026-09-14 · rubric v0.22.0

AccessPaidSelf serveFree trial⚡ Free to try

1 APIs

E-Commerce Checkout Payments Subscription Digital Products Courses

Kin Score

Kin Score How this is scored →
scored 2026-09-14 · rubric v0.22.0

Composite quality — 34.6/100 · thin

Contract Quality 10.5 / 19

Developer Ergonomics 4.5 / 15

Access Clarity 5.9 / 15

Operational Transparency 2.1 / 10

Contract Governance 0.0 / 9

Discoverability 5.1 / 8

Regulatory Posture 2.8 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 30/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 6 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Regulatory Posture applies to this provider. Its tags matched the Payments regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/samcart: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 6

Individual APIs this provider publishes, each with its own machine-readable definition.

SamCart Charges API

Individual charges, including failed charges.

SamCart Customers API

Customers who have purchased in a marketplace.

SamCart Orders API

Orders placed in a SamCart marketplace.

SamCart Products API

Products sold through SamCart checkout pages.

SamCart Refunds API

Refunds issued against charges.

SamCart Subscriptions API

Recurring subscriptions and payment plans.

Open Collections 8

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

API Collection

OPEN COLLECTION

SamCart Public Charges API

OPEN COLLECTION

SamCart Public Charges Customers API

OPEN COLLECTION

SamCart Public Charges Orders API

OPEN COLLECTION

SamCart Public Charges Products API

OPEN COLLECTION

SamCart Public Charges Refunds API

OPEN COLLECTION

SamCart Public Charges Subscriptions API

OPEN COLLECTION

SamCart Public API

OPEN COLLECTION

Scroll for all 8

Pricing Plans 1

Published pricing tiers and plan structures.

Samcart Plans Pricing

6 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Samcart Rate Limits

2 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Samcart Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Samcart Authentication

apiKey · 1 scheme

SECURITY

Samcart Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Samcart Agentic Access

16 operations · 4 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Source (apis.yml)

aid: samcart
url: https://raw.githubusercontent.com/api-evangelist/samcart/refs/heads/main/apis.yml
name: SamCart
kind: company
description: SamCart is a checkout and e-commerce platform for selling digital products, courses, memberships, and physical
  goods directly to customers, built around a high-converting CheckoutOS checkout, one-click upsells, subscriptions, and a
  courses/members area. The SamCart Public API (v1) is a REST API at https://api.samcart.com/v1 that gives programmatic read
  access to a marketplace's orders, products, customers, subscriptions, charges, and refunds, plus write actions to cancel
  or schedule cancellation of subscriptions, refund charges, and update order custom fields. Authentication is via an sc-api
  API key header, and API access is provisioned by the SamCart Support team rather than fully self-serve.
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: paid
  onboarding: self-serve
  trial: true
  try_now: true
  public: false
  label: Paid (free trial) · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/samcart.png
tags:
- E-Commerce
- Checkout
- Payments
- Subscription
- Digital Products
- Courses
tags_raw:
- E-commerce
- Checkout
- Payments
- Subscriptions
- Digital Products
- Courses
created: '2026-07-05'
modified: '2026-07-05'
specificationVersion: '0.23'
apis:
- aid: samcart:samcart-charges-api
  name: SamCart Charges API
  description: Individual charges, including failed charges.
  humanURL: https://developer.samcart.com/
  baseURL: https://api.samcart.com/v1
  tags:
  - Charges
  properties:
  - type: OpenAPI
    url: openapi/samcart-charges-api-openapi.yml
  - type: Documentation
    url: https://developer.samcart.com/
  - type: APIReference
    url: https://help.samcart.com/support/solutions/articles/60000805533-samcart-api
  - type: PostmanCollection
    url: collections/samcart.postman_collection.json
  - type: OpenCollection
    url: collections/samcart.opencollection.json
- aid: samcart:samcart-customers-api
  name: SamCart Customers API
  description: Customers who have purchased in a marketplace.
  humanURL: https://developer.samcart.com/
  baseURL: https://api.samcart.com/v1
  tags:
  - Customers
  properties:
  - type: OpenAPI
    url: openapi/samcart-customers-api-openapi.yml
  - type: Documentation
    url: https://developer.samcart.com/
  - type: APIReference
    url: https://help.samcart.com/support/solutions/articles/60000805533-samcart-api
  - type: PostmanCollection
    url: collections/samcart.postman_collection.json
  - type: OpenCollection
    url: collections/samcart.opencollection.json
- aid: samcart:samcart-orders-api
  name: SamCart Orders API
  description: Orders placed in a SamCart marketplace.
  humanURL: https://developer.samcart.com/
  baseURL: https://api.samcart.com/v1
  tags:
  - Order
  tags_raw:
  - Orders
  properties:
  - type: OpenAPI
    url: openapi/samcart-orders-api-openapi.yml
  - type: Documentation
    url: https://developer.samcart.com/
  - type: APIReference
    url: https://help.samcart.com/support/solutions/articles/60000805533-samcart-api
  - type: PostmanCollection
    url: collections/samcart.postman_collection.json
  - type: OpenCollection
    url: collections/samcart.opencollection.json
- aid: samcart:samcart-products-api
  name: SamCart Products API
  description: Products sold through SamCart checkout pages.
  humanURL: https://developer.samcart.com/
  baseURL: https://api.samcart.com/v1
  tags:
  - Product
  tags_raw:
  - Products
  properties:
  - type: OpenAPI
    url: openapi/samcart-products-api-openapi.yml
  - type: Documentation
    url: https://developer.samcart.com/
  - type: APIReference
    url: https://help.samcart.com/support/solutions/articles/60000805533-samcart-api
  - type: PostmanCollection
    url: collections/samcart.postman_collection.json
  - type: OpenCollection
    url: collections/samcart.opencollection.json
- aid: samcart:samcart-refunds-api
  name: SamCart Refunds API
  description: Refunds issued against charges.
  humanURL: https://developer.samcart.com/
  baseURL: https://api.samcart.com/v1
  tags:
  - Refunds
  properties:
  - type: OpenAPI
    url: openapi/samcart-refunds-api-openapi.yml
  - type: Documentation
    url: https://developer.samcart.com/
  - type: APIReference
    url: https://help.samcart.com/support/solutions/articles/60000805533-samcart-api
  - type: PostmanCollection
    url: collections/samcart.postman_collection.json
  - type: OpenCollection
    url: collections/samcart.opencollection.json
- aid: samcart:samcart-subscriptions-api
  name: SamCart Subscriptions API
  description: Recurring subscriptions and payment plans.
  humanURL: https://developer.samcart.com/
  baseURL: https://api.samcart.com/v1
  tags:
  - Subscription
  tags_raw:
  - Subscriptions
  properties:
  - type: OpenAPI
    url: openapi/samcart-subscriptions-api-openapi.yml
  - type: Documentation
    url: https://developer.samcart.com/
  - type: APIReference
    url: https://help.samcart.com/support/solutions/articles/60000805533-samcart-api
  - type: PostmanCollection
    url: collections/samcart.postman_collection.json
  - type: OpenCollection
    url: collections/samcart.opencollection.json
common:
- type: AgenticAccess
  url: agentic-access/samcart-agentic-access.yml
- type: DomainSecurity
  url: security/samcart-domain-security.yml
- type: Authentication
  url: authentication/samcart-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/samcart
- type: Website
  url: https://www.samcart.com/
- type: Documentation
  url: https://developer.samcart.com/
- type: Plans
  url: plans/samcart-plans-pricing.yml
- type: RateLimits
  url: rate-limits/samcart-rate-limits.yml
- type: FinOps
  url: finops/samcart-finops.yml
- type: Blog
  url: https://www.samcart.com/blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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