# Moz API vs Similarweb (slim)

> Similarweb and Moz API score within a point of each other on agent readiness, 46 (D) and 45.3 (E). Moz API leads on reliability, agent ergonomics and payments & pricing. Both do seo keywords. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/moz-api-vs-similarweb.md (~2,000 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/moz-api-vs-similarweb.json · canonical https://www.anchorterminal.com/compare/moz-api-vs-similarweb
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Similarweb and Moz API score within a point of each other on agent readiness, 46 (D) and 45.3 (E). Moz API leads on reliability, agent ergonomics and payments & pricing. Both do seo keywords.

- Moz API: E 45.3, rank #571 of 629 · https://www.anchorterminal.com/tools/moz-api.min.md
- Similarweb: D 46, rank #566 of 629 · https://www.anchorterminal.com/tools/similarweb.min.md
- Moz API, good for Agents that need Domain Authority, backlink lists, link intersects, keyword volume and difficulty, search intent and ranking keywords at a low entry price, on a read-only data set. Ahead on Reliability, 42 against 35; Agent ergonomics, 74 against 67; Payments & pricing, 20 against 5.
- Similarweb, good for Traffic and engagement estimates, traffic channel mix and keyword click data for domains an agent doesn't own, with app, company and retail data on the same key. Ahead on Schema & documentation, 63 against 50; Security & auth, 52 against 38; Maintenance & community, 33 against 28.

| Category | Moz API | Similarweb |
| --- | --- | --- |
| Reliability (16%) | 42 | 35 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 50 | 63 |
| Agent ergonomics (13%) | 74 | 67 |
| Security & auth (14%) | 38 | 52 |
| Payments & pricing (10%) | 20 | 5 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 28 | 33 |
| Transparency & trust (7%) | 59 | 60 |

| Fact (where they differ) | Moz API | Similarweb |
| --- | --- | --- |
| Vendor | SEOmoz, Inc. | Similarweb Ltd. |
| Hosted endpoint | `https://api.moz.com/jsonrpc` | `https://api.similarweb.com` |
| Transports | HTTP, Streamable HTTP | HTTP |
| Auth | API key | OAuth or key |
| Pricing | Freemium | Paid |
| Licence | Proprietary service under the Moz API General Conditions (effective 12 August 2026 for new subscribers). Displaying Moz data to others requires attribution under the API legal page | Proprietary service under Similarweb's terms of use |
| llms.txt | no | yes |
| Last release | 2026-08-14 | 2026-09-24 |
| Terms last updated | 2026-08-12 | 2025-03-19 |
| Privacy policy last updated | 2025-04-08 | 2026-06-30 |
| Terms restrict automated access | not found in the text | yes |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | yes | not found in the text |