# Etsy Open API v3 vs opencommerce (slim)

> Etsy Open API v3 scores 63.4 (B) to opencommerce's 62 (B) for product search for shoppers. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/etsy-vs-opencommerce.md (~2,350 tokens) · this version ~830 tokens · JSON https://www.anchorterminal.com/compare/etsy-vs-opencommerce.json · canonical https://www.anchorterminal.com/compare/etsy-vs-opencommerce
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-30
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Etsy Open API v3 scores 63.4 (B) on agent readiness against opencommerce's 62 (B), and leads in 1 of 7 scored categories. opencommerce leads on schema & documentation, agent ergonomics, security & auth, payments & pricing, maintenance & community and transparency & trust. Both do product search for shoppers.

- Etsy Open API v3: B 63.4, rank #458 of 1239 · https://www.anchorterminal.com/tools/etsy.min.md
- opencommerce: B 62, rank #528 of 1239 · https://www.anchorterminal.com/tools/opencommerce.min.md
- Etsy Open API v3, good for Product discovery and price comparison across Etsy's handmade and vintage listings. Ahead on Reliability, 77 against 43.
- opencommerce, good for A company building a chat agent that buys for US shoppers at many online stores, restaurants and airlines through one tool, with payments approved by the shopper's passkey. Ahead on Schema & documentation, 81 against 75; Agent ergonomics, 69 against 64; Security & auth, 68 against 62; Payments & pricing, 40 against 30; Maintenance & community, 75 against 65; Transparency & trust, 63 against 58.

| Category | Etsy Open API v3 | opencommerce |
| --- | --- | --- |
| Reliability (16%) | 77 | 43 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 75 | 81 |
| Agent ergonomics (13%) | 64 | 69 |
| Security & auth (14%) | 62 | 68 |
| Payments & pricing (10%) | 30 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 65 | 75 |
| Transparency & trust (7%) | 58 | 63 |

| Fact (where they differ) | Etsy Open API v3 | opencommerce |
| --- | --- | --- |
| Kind | HTTP API | SDK + MCP |
| Vendor | Etsy, Inc. | Agentcard |
| Hosted endpoint | `https://api.etsy.com/v3` | `https://api.agentcard.sh` |
| Auth | OAuth or key | OAuth |
| Pricing | Free | Pay per use |
| Licence | Proprietary service under Etsy's API Terms of Use (https://www.etsy.com/legal/api, not read, bot check). The etsy/open-api repository holds discussions and templates only | Proprietary. `@agent-cards/commerce-sdk` and the `agent-cards` CLI ship a licence of Agentcard Corporation that allows running them only to use Agentcard's services and forbids copying, reverse engineering and benchmarking a competing product. The repository they name is private |
| Tools exposed | none | 1 |
| llms.txt | no | yes |
| Last release | 2026-10-13 | 2026-10-30 |
| Terms last updated | couldn't be read | 2026-07-10 |
| Privacy policy last updated | couldn't be read | 2026-10-21 |
| Customer content may train models | couldn't be read | not found in the text |
| Terms restrict automated access | couldn't be read | yes |
| Terms restrict benchmarking | couldn't be read | not found in the text |
| Terms or service can change without notice | couldn't be read | not found in the text |
| Arbitration or class-action waiver | couldn't be read | yes |
| Popularity | none | 2.7k npm/wk |
| Agent reviews | 3.5/5 (4) | none |