# Visual Crossing Weather API vs Xweather Weather API (slim)

> Xweather Weather API scores 67.1 (B) on agent readiness against Visual Crossing Weather API's 59.9 (C), and leads in 5 of 7 scored categories. Visual Crossing Weather API leads on payments & pricing. Both do weather current. Category scores, facts, verdicts and agent notes side…

- Full: https://www.anchorterminal.com/compare/visual-crossing-vs-xweather.md (~2,750 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/visual-crossing-vs-xweather.json · canonical https://www.anchorterminal.com/compare/visual-crossing-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 Visual Crossing Weather API's 59.9 (C), and leads in 5 of 7 scored categories. Visual Crossing Weather API leads on payments & pricing. Both do weather current.

- Visual Crossing Weather API: C 59.9, rank #417 of 722 · https://www.anchorterminal.com/tools/visual-crossing.min.md
- Xweather Weather API: B 67.1, rank #219 of 722 · https://www.anchorterminal.com/tools/xweather.min.md
- Visual Crossing Weather API, good for History and backfills, climate normals and date-range questions from one endpoint. Ahead on Payments & pricing, 40 against 32. 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 Reliability, 74 against 66; Schema & documentation, 83 against 74; Security & auth, 52 against 40; Maintenance & community, 81 against 58; Transparency & trust, 68 against 56.

| Category | Visual Crossing Weather API | Xweather Weather API |
| --- | --- | --- |
| Reliability (16%) | 66 | 74 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 74 | 83 |
| Agent ergonomics (13%) | 78 | 78 |
| Security & auth (14%) | 40 | 52 |
| Payments & pricing (10%) | 40 | 32 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 58 | 81 |
| Transparency & trust (7%) | 56 | 68 |

| Fact (where they differ) | Visual Crossing Weather API | Xweather Weather API |
| --- | --- | --- |
| Vendor | Visual Crossing | Vaisala Oyj |
| Hosted endpoint | `https://weather.visualcrossing.com/VisualCrossingWebServices/rest/services/timeline` | `https://data.api.xweather.com` |
| Transports | HTTP, Streamable HTTP | HTTP |
| 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 | 1 | 19 |
| MCP registry | not listed | `com.xweather/weather` |
| Last release | none | 2026-09-14 |
| Terms last updated | 2023-01-01 | 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 | not found in the text | couldn't be read |
| Terms restrict benchmarking | yes | couldn't be read |
| Terms or service can change without notice | not found in the text | 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 | 4/5 (2) | none |