# OpenWeather One Call API vs Visual Crossing Weather API (slim)

> Visual Crossing Weather API has a score of 60.3 (C) against OpenWeather One Call API's 57.4 (C). Both do weather current. The largest gap is reliability, 21 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/openweather-one-call-vs-visual-crossing.md (~1,650 tokens) · this version ~380 tokens · JSON https://www.anchorterminal.com/compare/openweather-one-call-vs-visual-crossing.json · canonical https://www.anchorterminal.com/compare/openweather-one-call-vs-visual-crossing
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04

Visual Crossing Weather API has a score of 60.3 (C) against OpenWeather One Call API's 57.4 (C). Both do weather current. The largest gap is reliability, 21 points.

- OpenWeather One Call API: C 57.4, rank #294 of 452 · https://www.anchorterminal.com/tools/openweather-one-call.min.md
- Visual Crossing Weather API: C 60.3, rank #251 of 452 · https://www.anchorterminal.com/tools/visual-crossing.min.md
- Pick OpenWeather One Call API for payments & pricing (+20). Pick Visual Crossing Weather API for reliability (+21), schema & documentation (+6), agent ergonomics (+5).

| Category | OpenWeather One Call API | Visual Crossing Weather API |
| --- | --- | --- |
| Reliability (16%) | 45 | 66 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 68 | 74 |
| Agent ergonomics (13%) | 73 | 78 |
| Security & auth (14%) | 42 | 40 |
| Payments & pricing (10%) | 60 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 60 | 58 |
| Transparency & trust (7%) | 62 | 61 |