# Moz API vs Semrush API + MCP (slim)

> Semrush API + MCP scores 53.1 (D) on agent readiness against Moz API's 45.3 (E), and leads in 5 of 7 scored categories. Moz API leads on reliability. Both do seo keywords. Category scores, facts, verdicts and agent notes side by side.

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

Semrush API + MCP scores 53.1 (D) on agent readiness against Moz API's 45.3 (E), and leads in 5 of 7 scored categories. Moz API leads on reliability. Both do seo keywords.

- Moz API: E 45.3, rank #571 of 629 · https://www.anchorterminal.com/tools/moz-api.min.md
- Semrush API + MCP: D 53.1, rank #487 of 629 · https://www.anchorterminal.com/tools/semrush.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 34.
- Semrush API + MCP, good for Teams already paying for Semrush who want an agent to pull keyword, backlink, ranking and traffic estimates in one place, mainly through the MCP server. Ahead on Schema & documentation, 70 against 50; Security & auth, 54 against 38; Maintenance & community, 57 against 28; Transparency & trust, 67 against 59.

| Category | Moz API | Semrush API + MCP |
| --- | --- | --- |
| Reliability (16%) | 42 | 34 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 50 | 70 |
| Agent ergonomics (13%) | 74 | 77 |
| Security & auth (14%) | 38 | 54 |
| Payments & pricing (10%) | 20 | 17 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 28 | 57 |
| Transparency & trust (7%) | 59 | 67 |

| Fact (where they differ) | Moz API | Semrush API + MCP |
| --- | --- | --- |
| Vendor | SEOmoz, Inc. | Semrush Inc. (an Adobe company) |
| Hosted endpoint | `https://api.moz.com/jsonrpc` | `https://api.semrush.com` |
| 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 the Semrush terms of service |
| Tools exposed | none | 14 |
| Read-only variant documented | no | yes |
| llms.txt | no | yes |
| Last release | 2026-08-14 | 2026-09-04 |
| Terms last updated | 2026-08-12 | 2026-08-25 |
| Privacy policy last updated | 2025-04-08 | 2025-10-13 |
| Terms restrict automated access | not found in the text | yes |
| Terms or service can change without notice | yes | not found in the text |