freeapis

openSenseMap

Data from Personal Weather Stations called senseBoxes

Authentication
No auth
HTTPS
Yes
CORS
Yes
Category
Weather
Data source
public-apis + marcelscruz

Overview

openSenseMap is a free public API in the Weather category. Data from Personal Weather Stations called senseBoxes.

Weather APIs are a staple of free developer tooling — they power dashboards, travel planners, home-automation triggers, and IoT projects.

You can use this API in prototypes, side projects, and production applications — just keep the provider’s usage policy in mind.

Authentication

openSenseMap requires no authentication — you can start calling it directly, which makes it great for quick experiments and client-side demos.

HTTPS & CORS

  • HTTPS: supported — traffic to openSenseMap is encrypted, so it is safe to use from production apps.
  • CORS: enabled — openSenseMap can be called directly from the browser without a proxy, which simplifies client-side integrations.

Getting Started

  1. Read the official documentation: https://api.opensensemap.org/
  2. Make a test request with curl or your favourite HTTP client.

Rate Limits & Notes

  • Rate limits, quotas, and free-tier terms are defined by the provider — always check the official documentation for openSenseMap before scaling up.
  • The upstream listing is community-maintained; fields like auth, HTTPS and CORS reflect the state at listing time and may change.

FAQ

Does openSenseMap require an API key?

No — openSenseMap is listed as a no-auth API, so you can call it directly.

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