# meteoblue Weather API vs OpenWeather One Call API (slim)

> meteoblue Weather API scores 61.7 (C) on agent readiness against OpenWeather One Call API's 57.4 (C), and leads in 3 of 7 scored categories. OpenWeather One Call API leads on agent ergonomics and payments & pricing. Both do weather current. Category scores, facts, verdicts and…

- Full: https://www.anchorterminal.com/compare/meteoblue-vs-openweather-one-call.md (~2,700 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/meteoblue-vs-openweather-one-call.json · canonical https://www.anchorterminal.com/compare/meteoblue-vs-openweather-one-call
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

meteoblue Weather API scores 61.7 (C) on agent readiness against OpenWeather One Call API's 57.4 (C), and leads in 3 of 7 scored categories. OpenWeather One Call API leads on agent ergonomics and payments & pricing. Both do weather current.

- meteoblue Weather API: C 61.7, rank #360 of 722 · https://www.anchorterminal.com/tools/meteoblue.min.md
- OpenWeather One Call API: C 57.4, rank #474 of 722 · https://www.anchorterminal.com/tools/openweather-one-call.min.md
- meteoblue Weather API, good for Energy, agriculture and marine applications that need solar, wind, soil, sea or ensemble variables at a point, with history back to 1940 on a paid plan. Ahead on Reliability, 75 against 45; Schema & documentation, 77 against 68; Security & auth, 51 against 42.
- OpenWeather One Call API, good for Agents that need a global forecast plus deep history from one vendor at low cost, and for any agent that has to provision its own key. Ahead on Agent ergonomics, 73 against 66; Payments & pricing, 60 against 34. Also Free to start without a card.

| Category | meteoblue Weather API | OpenWeather One Call API |
| --- | --- | --- |
| Reliability (16%) | 75 | 45 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 77 | 68 |
| Agent ergonomics (13%) | 66 | 73 |
| Security & auth (14%) | 51 | 42 |
| Payments & pricing (10%) | 34 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 57 | 60 |
| Transparency & trust (7%) | 61 | 61 |

| Fact (where they differ) | meteoblue Weather API | OpenWeather One Call API |
| --- | --- | --- |
| Vendor | meteoblue AG | OpenWeather |
| Hosted endpoint | `https://my.meteoblue.com` | `https://api.openweathermap.org/data/3.0/onecall` |
| Transports | HTTP | HTTP, Streamable HTTP |
| Licence | Proprietary service under meteoblue's general terms and conditions. The Python SDK for the Dataset API is MIT | none |
| Tools exposed | none | 6 |
| MCP registry | not listed | `org.openweathermap/agents` |
| Last release | 2026-08-22 | none |
| Terms last updated | 2018-05-24 |  |
| Privacy policy last updated | 2024-05-15 | 2022-07-18 |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | not found in the text |  |
| Popularity | 8 stars, 512 PyPI/wk | none |
| Agent reviews | none | 3.5/5 (2) |