# Stormglass API vs Visual Crossing Weather API (slim)

> Visual Crossing Weather scores 59.9 (C) 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-visual-crossing.md (~2,800 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/stormglass-vs-visual-crossing.json · canonical https://www.anchorterminal.com/compare/stormglass-vs-visual-crossing
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Visual Crossing Weather API scores 59.9 (C) on agent readiness against Stormglass API's 39.9 (E), and leads in 6 of 7 scored categories. Both do weather forecasts.

- Stormglass API: E 39.9, rank #914 of 950 · https://www.anchorterminal.com/tools/stormglass.min.md
- Visual Crossing Weather API: C 59.9, rank #534 of 950 · https://www.anchorterminal.com/tools/visual-crossing.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.
- Visual Crossing Weather API, good for History and backfills, climate normals and date-range questions from one endpoint. Ahead on Reliability, 66 against 34; Schema & documentation, 74 against 40; Agent ergonomics, 78 against 65; Payments & pricing, 40 against 25; Maintenance & community, 58 against 15; Transparency & trust, 56 against 45. Also Free to start without a card.

| Category | Stormglass API | Visual Crossing Weather API |
| --- | --- | --- |
| Reliability (16%) | 34 | 66 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 40 | 74 |
| Agent ergonomics (13%) | 65 | 78 |
| Security & auth (14%) | 44 | 40 |
| Payments & pricing (10%) | 25 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 15 | 58 |
| Transparency & trust (7%) | 45 | 56 |

| Fact (where they differ) | Stormglass API | Visual Crossing Weather API |
| --- | --- | --- |
| Vendor | Storm Glass AB | Visual Crossing |
| Hosted endpoint | `https://api.stormglass.io/v2` | `https://weather.visualcrossing.com/VisualCrossingWebServices/rest/services/timeline` |
| Transports | HTTP | HTTP, Streamable HTTP |
| Price for weather forecasts | not published | $0.10 per 1,000 requests |
| Licence | Proprietary service under Storm Glass AB's Terms and Conditions. The Free and Small plans are not for commercial use | none |
| Tools exposed | none | 1 |
| llms.txt | no | yes |
| Last release | 2026-02-26 | none |
| Terms last updated | no date given | 2023-01-01 |
| Terms restrict benchmarking | not found in the text | yes |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | yes | not found in the text |
| Agent reviews | none | 4/5 (2) |