# WeatherAPI

**Canonical:** https://apis.io/providers/weatherapi/  
**Website:** https://www.weatherapi.com/  
**APIs profiled:** 7

WeatherAPI.com provides real-time, forecast, historical, marine, future, astronomy, air quality, pollen, sports, IP lookup, time zone, and geolocation data via a JSON/XML REST API. Trusted by 850,000+ developers worldwide with an average ~200ms response time.

## Kin Score — 46.6 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 46.6).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 68.6 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 16.7 |
| Commercial Clarity | 52.6 |
| Access Clarity | 52.6 |

## Agent readiness — 35.0 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | verified |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (7)

- **WeatherAPI Alerts API** — Government weather alerts
- **WeatherAPI Future API** — Long-range future weather (14–300 days)
- **WeatherAPI Geo API** — Location, IP lookup, timezone, astronomy
- **WeatherAPI History API** — Historical weather data
- **WeatherAPI Marine API** — Marine and sailing weather
- **WeatherAPI Sports API** — Upcoming sports events
- **WeatherAPI Weather API** — Real-time and forecast weather endpoints

## Agentic access (1)

- **Weatherapi Agentic Access** — 12 operations · 1 acting

## Security (2)

- **Weatherapi Authentication** — apiKey · 1 scheme
- **Weatherapi Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Weatherapi Plans Pricing**

## Use cases (10)

- **Consumer Weather Apps** — Power mobile and web weather apps with global coverage and 200ms response times.
- **Travel & Trip Planning** — Show forecast, alerts, marine, and astronomy data for trip destinations.
- **Logistics & Fleet Routing** — Avoid weather disruptions on routes using forecast and alerts endpoints.
- **Smart Home & IoT** — Drive thermostats, sprinklers, and shades from real-time and forecast data.
- **Agriculture** — Use rainfall, evapotranspiration, and forecast data to plan irrigation and harvest.
- **Energy Forecasting** — Solar irradiance, wind, and temperature inputs for renewable-energy generation models.
- **Insurance & Risk** — Historical archives for claims investigation and parametric weather insurance.
- **Sports & Events** — Schedule outdoor events around forecast windows and alerts.
- **Maritime & Shipping** — Wave, swell, and tide data for coastal and ocean operations.
- **AI Agents** — Give Claude and other LLM agents live weather context via the official MCP server.

## Tags

Weather, Forecast, History, Marine, Astronomy, Geolocation, Sports, Alerts, Public APIs

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/weatherapi/). Scores are computed from the provider's own public artifacts under a published rubric.