# Keywords Everywhere API + MCP vs Similarweb (slim)

> Keywords Everywhere scores 47.2 (D) to Similarweb's 46 (D) for keyword data. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/keywords-everywhere-vs-similarweb.md (~2,550 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/keywords-everywhere-vs-similarweb.json · canonical https://www.anchorterminal.com/compare/keywords-everywhere-vs-similarweb
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Keywords Everywhere API + MCP scores 47.2 (D) on agent readiness against Similarweb's 46 (D), and leads in 4 of 7 scored categories. Similarweb leads on schema & documentation, agent ergonomics and security & auth. Both do keyword data.

- Keywords Everywhere API + MCP: D 47.2, rank #836 of 950 · https://www.anchorterminal.com/tools/keywords-everywhere.min.md
- Similarweb: D 46, rank #858 of 950 · https://www.anchorterminal.com/tools/similarweb.min.md
- Keywords Everywhere API + MCP, good for An agent that needs Google Keyword Planner volume, CPC and competition for lists of keywords at a low price per keyword, plus keyword ideas and a quick view of a site's ranking keywords, traffic estimate and top backlinks. Ahead on Reliability, 42 against 35; Payments & pricing, 20 against 5; Maintenance & community, 63 against 33; Transparency & trust, 68 against 60.
- 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 48; Agent ergonomics, 67 against 54; Security & auth, 52 against 47.

| Category | Keywords Everywhere API + MCP | Similarweb |
| --- | --- | --- |
| Reliability (16%) | 42 | 35 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 48 | 63 |
| Agent ergonomics (13%) | 54 | 67 |
| Security & auth (14%) | 47 | 52 |
| Payments & pricing (10%) | 20 | 5 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 63 | 33 |
| Transparency & trust (7%) | 68 | 60 |

| Fact (where they differ) | Keywords Everywhere API + MCP | Similarweb |
| --- | --- | --- |
| Vendor | Keywords Everywhere (Axeman Technology Solutions LLP) | Similarweb Ltd. |
| Hosted endpoint | `https://api.keywordseverywhere.com` | `https://api.similarweb.com` |
| Transports | HTTP, Streamable HTTP | HTTP |
| Price for keyword data | $0.0008 per record | not published |
| Licence | Proprietary service under the Keywords Everywhere Terms of Service. The vendor's n8n community node on npm is MIT | Proprietary service under Similarweb's terms of use |
| Tools exposed | 14 | none |
| Read-only variant documented | yes | no |
| llms.txt | no | yes |
| MCP registry | `com.keywordseverywhere/keywords-everywhere` | not listed |
| Last release | 2026-09-10 | 2026-09-24 |
| Terms last updated | 2023-05-30 | 2025-03-19 |
| Privacy policy last updated | 2025-08-15 | 2026-06-30 |
| Terms restrict automated access | not found in the text | yes |
| Terms restrict benchmarking | not found in the text | yes |
| Popularity | 7 npm/wk | none |