SkillsLib.ai

Bigcommerce Api

Build production BigCommerce integrations, apps, and headless storefronts with REST APIs and GraphQL

4.4(48 reviews)
1,000+ downloads
Updated Oct 2026
Verified SafeSecurity VerifiedThis skill was analyzed by our AI security scanner for harmful content including data exfiltration, system manipulation, credential theft, and prompt injection. No threats were detected.

What You Can Do

You can architect and implement production-ready BigCommerce integrations using REST APIs, GraphQL Storefront API, and webhook automation. This skill guides you through API versioning decisions, OAuth authentication flows, rate limit management, multi-storefront channel architecture, and the complete app development lifecycle—from initial authentication setup through deploying integrations that handle real transactional data at scale.

Features

API versioning strategy

Know when to use V2 vs V3 endpoints for catalogs, customers, orders, and transactions

OAuth authentication flows

Implement store-level, app-level, and account-level credentials securely for single and multi-store setups

Rate limit management

Monitor rate limits across REST APIs, Payments API, and GraphQL with exponential backoff retry logic

Multi-storefront architecture

Handle channel_id assignment, cross-storefront products, orders, and checkouts correctly

GraphQL Storefront queries

Build headless storefronts with optimized GraphQL queries for products, carts, and checkout

Webhook event handling

Design webhook consumers for orders, products, and customer events with proper signature validation

Error handling and debugging

Parse BigCommerce error responses and troubleshoot authentication, rate limits, and data sync issues

Example Output

Example 1: API Endpoint Decision

code
Task: Fetch product with metafields
Recommendation: Use V3 GET /catalog/products (supports metafields)
Not V2: V2 endpoints lack metafield support

Example 2: OAuth Setup for Marketplace App

code
Flow: App registration → Authorization code flow → Access token storage
Header: Authorization: Bearer {access_token}
Scope: store_v2_products store_v2_orders store_v2_customers

Example 3: Multi-Storefront Product Assignment

code
Step 1: Check channel_id (default storefront = 1)
Step 2: POST /catalog/products with channel_assignments array
Step 3: Verify product visibility across all assigned channels

What's Included

  • SKILL.md instruction file: Complete BigCommerce API reference with essential principles, authentication models, and rate limit guidance
  • API versioning decision tree: Quick reference for choosing V2 vs V3 endpoints by resource type
  • OAuth flow templates: Store-level, app-level, and account-level credential setup patterns
  • Rate limit monitoring checklist: Headers to watch and exponential backoff implementation
  • Multi-storefront architecture guide: Channel assignment, product visibility, and order routing patterns

Who It's For

  • Backend engineers building BigCommerce integrations and marketplace apps
  • Full-stack developers creating headless storefronts with GraphQL
  • Platform architects designing multi-storefront and multi-channel systems
  • E-commerce developers automating order management, inventory sync, and customer data flows
  • SaaS product teams building BigCommerce connectors and integrations

Best For

  • Choosing between REST API V2 and V3 for specific operations
  • Implementing OAuth authentication for apps and integrations
  • Managing rate limits and implementing retry logic
  • Building multi-storefront product and order management systems
  • Designing webhook consumers for real-time event handling
  • Debugging API authentication, data validation, and sync errors

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