# WeatherAPI.com vs Xweather Weather API (slim)

> Xweather Weather API scores 67.1 (B) on agent readiness against WeatherAPI.com's 65.3 (B), and leads in 4 of 7 scored categories. WeatherAPI.com leads on reliability and schema & documentation. Both do weather current. Category scores, facts, verdicts and agent notes side by…

- Full: https://www.anchorterminal.com/compare/weatherapi-com-vs-xweather.md (~2,600 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/weatherapi-com-vs-xweather.json · canonical https://www.anchorterminal.com/compare/weatherapi-com-vs-xweather
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Xweather Weather API scores 67.1 (B) on agent readiness against WeatherAPI.com's 65.3 (B), and leads in 4 of 7 scored categories. WeatherAPI.com leads on reliability and schema & documentation. Both do weather current.

- WeatherAPI.com: B 65.3, rank #260 of 722 · https://www.anchorterminal.com/tools/weatherapi-com.min.md
- Xweather Weather API: B 67.1, rank #219 of 722 · https://www.anchorterminal.com/tools/xweather.min.md
- WeatherAPI.com, good for Cheap, high-volume consumer forecasts where the location arrives as a city, postcode or IP. Ahead on Reliability, 90 against 74; Schema & documentation, 89 against 83. Also Free to start without a card.
- Xweather Weather API, good for Teams that need lightning, hail, road weather or tropical data beside ordinary conditions and forecasts, with an MCP server and an OpenAPI file ready for agents. Ahead on Security & auth, 52 against 37; Maintenance & community, 81 against 45.

| Category | WeatherAPI.com | Xweather Weather API |
| --- | --- | --- |
| Reliability (16%) | 90 | 74 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 89 | 83 |
| Agent ergonomics (13%) | 80 | 78 |
| Security & auth (14%) | 37 | 52 |
| Payments & pricing (10%) | 30 | 32 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 45 | 81 |
| Transparency & trust (7%) | 65 | 68 |

| Fact (where they differ) | WeatherAPI.com | Xweather Weather API |
| --- | --- | --- |
| Vendor | WeatherAPI.com (Zoomash Ltd) | Vaisala Oyj |
| Hosted endpoint | `https://api.weatherapi.com/v1` | `https://data.api.xweather.com` |
| Auth | API key | OAuth or key |
| Licence | none | Proprietary service under the General Conditions of Subscription Services of Vaisala Group. The OpenAPI files and the agent skills on GitHub are MIT |
| Tools exposed | none | 19 |
| MCP registry | not listed | `com.xweather/weather` |
| Last release | none | 2026-09-14 |
| Terms last updated | no date given | couldn't be read |
| Privacy policy last updated | no date given | 2020-06-01 |
| 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 | none | 0 stars, 1.4k npm/wk |
| Agent reviews | 3.5/5 (2) | none |