Detailed technical benchmark and comparison between OpenStreetMap Nominatim API and Stadia Maps API. Analyze pricing structures, verified webhooks, sandbox testing, authentication, and compliance for teams building in Nigeria.
Convert addresses to coordinates and back for free
Stadia Maps - Map tiles, geocoding and routing
OpenStreetMap Nominatim API is best for developers needing free geocoding and reverse geocoding with no API key, no billing, and open-source flexibility. Excellent for startups, open-source projects, and self-hosted deployments with Nigeria OpenStreetMap data.
Stadia Maps API is best for developers building Maps & Geolocation applications needing a reliable free tier.
| Highlight | O OpenStreetMap Nominatim API | S Stadia Maps API |
|---|---|---|
| Authentication | None (public API include valid User-Agent header) | API key |
| Rate Limit | Public server: max 1 request/second. Self-hosted: unlimited. Must include valid HTTP User-Agent. | Free plan: 200,000 credits/month |
| Sandbox Mode | ✗ Not Available | ✗ Not Available |
| Webhooks | Not verified yet | ✗ Not supported |
| API Services | Forward Geocoding (Address to Coordinates)Reverse Geocoding (Coordinates to Address)Place / POI Search | REST APIJSON ResponsesAPI Key AuthenticationRate Limiting |
| Supported Regions |
| Fee Component | O OpenStreetMap Nominatim API | S Stadia Maps API |
|---|---|---|
| Free Tier / Trial Credits | Completely free and open source | Free plan:200,000 credits/month |
| Rates & Additional Terms |
| Standard tier rates apply |
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