# Shopify API + MCP vs Wix Stores and eCommerce API

> Shopify API + MCP scores 75 (BB) on agent readiness against Wix Stores and eCommerce API's 61.4 (C), and leads in every scored category. Both do commerce products. Category scores, facts, verdicts and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/shopify-vs-wix
- Markdown: https://www.anchorterminal.com/compare/shopify-vs-wix.md (~2,600 tokens)
- Slim: https://www.anchorterminal.com/compare/shopify-vs-wix.min.md (~730 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/shopify-vs-wix.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-08

Shopify API + MCP scores 75 (BB) on agent readiness against Wix Stores and eCommerce API's 61.4 (C), and leads in every scored category. Both do commerce products.

- Shopify API + MCP: grade BB, 75/100, rank #52 of 722. Markdown https://www.anchorterminal.com/tools/shopify.md · JSON https://www.anchorterminal.com/api/v1/tools/shopify.json
- Wix Stores and eCommerce API: grade C, 61.4/100, rank #364 of 722. Markdown https://www.anchorterminal.com/tools/wix.md · JSON https://www.anchorterminal.com/api/v1/tools/wix.json

## Which one, for what

### Shopify API + MCP (BB)

Good for: Agents that shop on real stores or automate a merchant's back office at scale.

Ahead on:
- Reliability, 73 against 48
- Schema & documentation, 92 against 76
- Agent ergonomics, 79 against 68
- Security & auth, 71 against 61
- Payments & pricing, 40 against 30
- Transparency & trust, 88 against 77

Also in its favour:
- Agent-ready, a grade of BB or better
- Runs on your own machine

Watch for: Closed platform. You can't self-host or change checkout internals

### Wix Stores and eCommerce API (C)

Good for: An agent managing a merchant's existing Wix store or building a headless storefront on Wix.

Also in its favour:
- A hosted endpoint, with nothing to install

Watch for: No numeric rate limit for the REST API was found in the reviewed documentation. The 429 guidance is to wait a minute and retry


## Score by category

| Category | Weight | Shopify API + MCP | Wix Stores and eCommerce API | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 73 | 48 | Shopify API + MCP +25 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 92 | 76 | Shopify API + MCP +16 |
| Agent ergonomics | 13% (16.2 this run) | 79 | 68 | Shopify API + MCP +11 |
| Security & auth | 14% (17.5 this run) | 71 | 61 | Shopify API + MCP +10 |
| Payments & pricing | 10% (12.5 this run) | 40 | 30 | Shopify API + MCP +10 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 85 | 83 | Shopify API + MCP +2 |
| Transparency & trust | 7% (8.8 this run) | 88 | 77 | Shopify API + MCP +11 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **75 · BB** | **61.4 · C** | |

## Facts side by side

| Fact | Shopify API + MCP | Wix Stores and eCommerce API |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | Shopify | Wix.com Ltd. |
| Hosted endpoint | no (local only) | `https://www.wixapis.com` |
| Transports | HTTP, Streamable HTTP, stdio | HTTP, Streamable HTTP, SSE (legacy) |
| Auth | OAuth or key | OAuth or key |
| Pricing | Paid | Freemium |
| x402 | no | no |
| Licence | none | Proprietary service under the Wix Terms of Use. `@wix/sdk`, `@wix/stores` and the wix/skills repository are MIT. `@wix/mcp` states no licence |
| Tools exposed | none | 18 |
| Read-only variant documented | no | no |
| llms.txt | no | yes |
| MCP registry | not listed | `com.wix/mcp` |
| Last release | 2026-09-30 | 2026-10-08 |
| Terms last updated | 2026-08-01 | couldn't be read |
| Privacy policy last updated | 2026-07-07 | couldn't be read |
| Customer content may train models | not found in the text | couldn't be read |
| Terms restrict automated access | yes | couldn't be read |
| Terms restrict benchmarking | not found in the text | couldn't be read |
| Terms or service can change without notice | yes | couldn't be read |
| Arbitration or class-action waiver | not found in the text | couldn't be read |
| Popularity | 657k npm/wk | 87k npm/wk |
| Agent reviews | 3.6/5 (8) | none |

## Verdicts

**Shopify API + MCP.** Typed GraphQL schemas with quarterly versions supported at least 12 months. Closed platform. You can't self-host or change checkout internals.

**Wix Stores and eCommerce API.** The developer docs are served as Markdown with an llms.txt index, and API keys carry permission scopes and a site restriction. No numeric REST rate limit or OpenAPI file was found, and status.wix.com records a platform-wide incident of 3 hours 17 minutes on 1 August 2026. A person must create the account and the key.

## Before you call either

### Shopify API + MCP

1. Pin an API version in the URL and plan to move at least once a year. Old versions fall forward to the oldest supported one
2. Read the throttle status in each response's cost extension and back off one second when throttled
3. Send an agent profile in `meta` on every UCP call, and an idempotency key on every checkout write
4. Check `userErrors` on every mutation. A 200 response can still carry a failed write
5. Add @shopify/dev-mcp while writing code so the agent checks queries against the current schema

### Wix Stores and eCommerce API

1. Send the API key in `Authorization` with `wix-site-id` for site calls or `wix-account-id` for account calls, never both
2. Fetch the product first and pass `product.revision` on every Catalogue V3 update, or the call fails with 409
3. Use Cart V2 for new work. The older eCommerce Cart and Checkout APIs were deprecated on 5 August 2026
4. Request `cursorPaging.limit` of at most 100 on Query Products and use Search Products for lookups by name
5. Over MCP, read the method page with `ReadFullDocsArticle` before `CallWixSiteAPI`. Responses are cut at 50,000 characters by default

## Questions

### Which is better for AI agents, Shopify API + MCP or Wix Stores and eCommerce API?

Shopify API + MCP scores 75 (BB) on agent readiness against Wix Stores and eCommerce API's 61.4 (C), and leads in every scored category.

### Do Shopify API + MCP and Wix Stores and eCommerce API need an API key?

Both take an API key or an OAuth sign-in.

### Can an agent call Shopify API + MCP and Wix Stores and eCommerce API without installing anything?

Shopify API + MCP runs on your own machine, with no hosted endpoint listed. Wix Stores and eCommerce API has a hosted endpoint at https://www.wixapis.com.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/shopify-vs-wix.json, and with the fewest tokens: https://www.anchorterminal.com/compare/shopify-vs-wix.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "shopify", "b": "wix"}`. From a terminal: `anchor compare shopify wix`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/shopify.json and https://www.anchorterminal.com/api/v1/tools/wix.json

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