# Stormglass API vs The Weather Company Data APIs (slim)

> The Weather Company Data scores 52.6 (D) to Stormglass's 39.9 (E) for weather forecasts. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/stormglass-vs-weather-company.md (~2,900 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/stormglass-vs-weather-company.json · canonical https://www.anchorterminal.com/compare/stormglass-vs-weather-company
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

The Weather Company Data APIs scores 52.6 (D) on agent readiness against Stormglass API's 39.9 (E), and leads in 5 of 7 scored categories. Stormglass API leads on agent ergonomics and payments & pricing. Both do weather forecasts.

- Stormglass API: E 39.9, rank #914 of 950 · https://www.anchorterminal.com/tools/stormglass.min.md
- The Weather Company Data APIs: D 52.6, rank #734 of 950 · https://www.anchorterminal.com/tools/weather-company.min.md
- Stormglass API, good for Marine and coastal applications that want waves, swell, currents and tides beside ordinary weather, and callers who want to compare named models in one response. Ahead on Agent ergonomics, 65 against 54; Payments & pricing, 25 against 20.
- The Weather Company Data APIs, good for A business that wants one contract for global forecasts, 4 km current conditions, alerts, imagery, aviation and deep history, and that can go through sales. Ahead on Reliability, 73 against 34; Schema & documentation, 67 against 40; Maintenance & community, 36 against 15.

| Category | Stormglass API | The Weather Company Data APIs |
| --- | --- | --- |
| Reliability (16%) | 34 | 73 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 40 | 67 |
| Agent ergonomics (13%) | 65 | 54 |
| Security & auth (14%) | 44 | 48 |
| Payments & pricing (10%) | 25 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 15 | 36 |
| Transparency & trust (7%) | 45 | 49 |

| Fact (where they differ) | Stormglass API | The Weather Company Data APIs |
| --- | --- | --- |
| Vendor | Storm Glass AB | The Weather Company, LLC |
| Hosted endpoint | `https://api.stormglass.io/v2` | `https://api.weather.com` |
| Pricing | Freemium | Paid |
| Licence | Proprietary service under Storm Glass AB's Terms and Conditions. The Free and Small plans are not for commercial use | Proprietary service. Use is under a content licensing agreement with The Weather Company, which is not published |
| Last release | 2026-02-26 | 2026-09-14 |
| Terms last updated | no date given | no document linked |
| Privacy policy last updated | no date given | couldn't be read |
| 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 | yes |  |
| Arbitration or class-action waiver | yes |  |