OpenCart website screenshot

OpenCart

OpenCart is a free, open-source eCommerce platform providing a REST API for managing products, categories, orders, customers, returns, and store configuration in self-hosted environments. Built on PHP and MySQL, OpenCart powers over 470,000 online stores worldwide and offers token-based API authentication with IP-allowlist security controls.

OpenCart publishes 10 APIs on the APIs.io network, including Affiliates API, Authentication API, Cart API, and 7 more. Tagged areas include eCommerce, Shopping Cart, Open Source, Self-Hosted, and Products.

The OpenCart catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

OpenCart’s developer surface includes authentication, documentation, engineering blog, pricing, and 11 more developer resources.

47.7/100 developing ▬ flat Agent 34/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreeSelf serve⚡ Free to try
10 APIs
eCommerceShopping CartOpen SourceSelf-HostedProductsOrdersCustomersCategories

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 47.7/100 · developing
Contract Quality 16.3 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 7.0 / 12
Discoverability 7.4 / 10
Agent readiness — 34/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7 / 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
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/opencart: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 10

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

OpenCart Affiliates API

Affiliate session management

OpenCart Authentication API

API login and session token management

OpenCart Cart API

Shopping cart product management

OpenCart Customer API

Customer session and profile management

OpenCart Orders API

Order creation, confirmation, and history

OpenCart Payment Address API

Billing address management

OpenCart Payment Methods API

Available payment method retrieval and selection

OpenCart Shipping Address API

Shipping address management

OpenCart Shipping Methods API

Available shipping method retrieval and selection

OpenCart Subscriptions API

Subscription order management

Scroll for all 10

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Opencart Rate Limits

3 limits

RATE LIMITS

FinOps 1

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

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Opencart Context

15 classes · 0 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

OpenCart API Rules

5 rules · 4 warnings 1 info

SPECTRAL

JSON Schema 3

Standalone JSON Schema definitions for this provider's data models.

Address

17 properties

JSON SCHEMA

CartProduct

10 properties

JSON SCHEMA

Order

4 properties

JSON SCHEMA

Examples 6

Example request and response payloads for these APIs.

Confirm Order Response

4 fields

EXAMPLE

Login Request

2 fields

EXAMPLE

Login Response

2 fields

EXAMPLE

Set Customer Request

8 fields

EXAMPLE

Security Posture 2

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

Opencart Authentication

apiKey · 1 scheme

SECURITY

Opencart Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

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

Opencart Agentic Access

16 operations · 12 acting

16 operations · 12 acting

AGENTIC

Resources

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

Other 2

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: opencart
name: OpenCart
description: 'OpenCart is a free, open-source eCommerce platform providing a REST API for managing products, categories, orders,
  customers, returns, and store configuration in self-hosted environments. Built on PHP and MySQL, OpenCart powers over 470,000
  online stores worldwide and offers token-based API authentication with IP-allowlist security controls.

  '
accessModel:
  pricing: free
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Free · 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/opencart.png
url: https://raw.githubusercontent.com/api-evangelist/opencart/refs/heads/main/apis.yml
created: 2026-06-13
modified: 2026-06-13
specificationVersion: '0.19'
tags:
- eCommerce
- Shopping Cart
- Open Source
- Self-Hosted
- Products
- Orders
- Customers
- Categories
apis:
- aid: opencart:opencart-affiliates-api
  name: OpenCart Affiliates API
  description: Affiliate session management
  humanURL: https://docs.opencart.com/admin-interface/system/users/api
  baseURL: https://yourstore.com/api
  tags:
  - Affiliates
  properties:
  - type: OpenAPI
    url: openapi/opencart-affiliates-api-openapi.yml
  - type: Documentation
    url: https://docs.opencart.com/admin-interface/system/users/api
  - type: Documentation
    url: https://docs.opencart.com/developer/
  - type: GitHubRepository
    url: https://github.com/opencart/opencart
- aid: opencart:opencart-authentication-api
  name: OpenCart Authentication API
  description: API login and session token management
  humanURL: https://docs.opencart.com/admin-interface/system/users/api
  baseURL: https://yourstore.com/api
  tags:
  - Authentication
  properties:
  - type: OpenAPI
    url: openapi/opencart-authentication-api-openapi.yml
  - type: Documentation
    url: https://docs.opencart.com/admin-interface/system/users/api
  - type: Documentation
    url: https://docs.opencart.com/developer/
  - type: GitHubRepository
    url: https://github.com/opencart/opencart
- aid: opencart:opencart-cart-api
  name: OpenCart Cart API
  description: Shopping cart product management
  humanURL: https://docs.opencart.com/admin-interface/system/users/api
  baseURL: https://yourstore.com/api
  tags:
  - Cart
  properties:
  - type: OpenAPI
    url: openapi/opencart-cart-api-openapi.yml
  - type: Documentation
    url: https://docs.opencart.com/admin-interface/system/users/api
  - type: Documentation
    url: https://docs.opencart.com/developer/
  - type: GitHubRepository
    url: https://github.com/opencart/opencart
- aid: opencart:opencart-customer-api
  name: OpenCart Customer API
  description: Customer session and profile management
  humanURL: https://docs.opencart.com/admin-interface/system/users/api
  baseURL: https://yourstore.com/api
  tags:
  - Customer
  properties:
  - type: OpenAPI
    url: openapi/opencart-customer-api-openapi.yml
  - type: Documentation
    url: https://docs.opencart.com/admin-interface/system/users/api
  - type: Documentation
    url: https://docs.opencart.com/developer/
  - type: GitHubRepository
    url: https://github.com/opencart/opencart
- aid: opencart:opencart-orders-api
  name: OpenCart Orders API
  description: Order creation, confirmation, and history
  humanURL: https://docs.opencart.com/admin-interface/system/users/api
  baseURL: https://yourstore.com/api
  tags:
  - Orders
  properties:
  - type: OpenAPI
    url: openapi/opencart-orders-api-openapi.yml
  - type: Documentation
    url: https://docs.opencart.com/admin-interface/system/users/api
  - type: Documentation
    url: https://docs.opencart.com/developer/
  - type: GitHubRepository
    url: https://github.com/opencart/opencart
- aid: opencart:opencart-payment-address-api
  name: OpenCart Payment Address API
  description: Billing address management
  humanURL: https://docs.opencart.com/admin-interface/system/users/api
  baseURL: https://yourstore.com/api
  tags:
  - Payment Address
  properties:
  - type: OpenAPI
    url: openapi/opencart-payment-address-api-openapi.yml
  - type: Documentation
    url: https://docs.opencart.com/admin-interface/system/users/api
  - type: Documentation
    url: https://docs.opencart.com/developer/
  - type: GitHubRepository
    url: https://github.com/opencart/opencart
- aid: opencart:opencart-payment-methods-api
  name: OpenCart Payment Methods API
  description: Available payment method retrieval and selection
  humanURL: https://docs.opencart.com/admin-interface/system/users/api
  baseURL: https://yourstore.com/api
  tags:
  - Payment Methods
  properties:
  - type: OpenAPI
    url: openapi/opencart-payment-methods-api-openapi.yml
  - type: Documentation
    url: https://docs.opencart.com/admin-interface/system/users/api
  - type: Documentation
    url: https://docs.opencart.com/developer/
  - type: GitHubRepository
    url: https://github.com/opencart/opencart
- aid: opencart:opencart-shipping-address-api
  name: OpenCart Shipping Address API
  description: Shipping address management
  humanURL: https://docs.opencart.com/admin-interface/system/users/api
  baseURL: https://yourstore.com/api
  tags:
  - Shipping Address
  properties:
  - type: OpenAPI
    url: openapi/opencart-shipping-address-api-openapi.yml
  - type: Documentation
    url: https://docs.opencart.com/admin-interface/system/users/api
  - type: Documentation
    url: https://docs.opencart.com/developer/
  - type: GitHubRepository
    url: https://github.com/opencart/opencart
- aid: opencart:opencart-shipping-methods-api
  name: OpenCart Shipping Methods API
  description: Available shipping method retrieval and selection
  humanURL: https://docs.opencart.com/admin-interface/system/users/api
  baseURL: https://yourstore.com/api
  tags:
  - Shipping Methods
  properties:
  - type: OpenAPI
    url: openapi/opencart-shipping-methods-api-openapi.yml
  - type: Documentation
    url: https://docs.opencart.com/admin-interface/system/users/api
  - type: Documentation
    url: https://docs.opencart.com/developer/
  - type: GitHubRepository
    url: https://github.com/opencart/opencart
- aid: opencart:opencart-subscriptions-api
  name: OpenCart Subscriptions API
  description: Subscription order management
  humanURL: https://docs.opencart.com/admin-interface/system/users/api
  baseURL: https://yourstore.com/api
  tags:
  - Subscriptions
  properties:
  - type: OpenAPI
    url: openapi/opencart-subscriptions-api-openapi.yml
  - type: Documentation
    url: https://docs.opencart.com/admin-interface/system/users/api
  - type: Documentation
    url: https://docs.opencart.com/developer/
  - type: GitHubRepository
    url: https://github.com/opencart/opencart
common:
- type: AgenticAccess
  url: agentic-access/opencart-agentic-access.yml
- type: DomainSecurity
  url: security/opencart-domain-security.yml
- type: Authentication
  url: authentication/opencart-authentication.yml
- type: Website
  url: https://www.opencart.com
- type: Documentation
  url: https://docs.opencart.com
- type: GitHubOrg
  url: https://github.com/opencart
- type: LinkedIn
  url: https://www.linkedin.com/company/5224021/
- type: Blog
  url: https://www.opencart.com/blog
- type: Pricing
  url: https://www.opencart.com/index.php?route=cms/download
- type: X
  url: https://twitter.com/opencart
- type: Forums
  url: https://forum.opencart.com
- type: Marketplace
  url: https://www.opencart.com/index.php?route=marketplace/extension
- type: Plans
  url: plans/opencart-plans-pricing.yml
- type: RateLimits
  url: rate-limits/opencart-rate-limits.yml
- type: FinOps
  url: finops/opencart-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com