Detailed technical benchmark and comparison between OpenStreetMap Nominatim API and Google Places API. Analyze pricing structures, verified webhooks, sandbox testing, authentication, and compliance for teams building in Nigeria.
Convert addresses to coordinates and back for free
Search & autocomplete 200M+ places, businesses and addresses worldwide
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.
Google Places API is best for developers needing to search, autocomplete, and retrieve details about places and businesses especially for building address autocomplete inputs and location discovery features in Nigerian apps.
| Highlight | O OpenStreetMap Nominatim API | G Google Places 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. | No hard limit. Quota caps and billing controls. Free $200/month credit. |
| Sandbox Mode | ✗ Not Available | ✗ Not Available |
| Webhooks | Not verified yet | Not verified yet |
| API Services | Forward Geocoding (Address to Coordinates)Reverse Geocoding (Coordinates to Address)Place / POI Search | Place / POI SearchNigeria & West Africa Coverage |
| Supported Regions |
| Fee Component | O OpenStreetMap Nominatim API | G Google Places API |
|---|---|---|
| Free Tier / Trial Credits | Completely free and open source | $200/month free credit (~40,000 requests) |
| Rates & Additional Terms |
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| Feature / Capability | O OpenStreetMap Nominatim API | G Google Places API |
|---|---|---|
| Forward Geocoding (Address to Coordinates) | ✓ | ✗ |
| Reverse Geocoding (Coordinates to Address) | ✓ | ✗ |
| Place / POI Search | ✓ | ✓ |
| Turn-by-Turn Directions & Routing | ✗ | ✗ |
| Distance Matrix Calculation | ✗ | ✗ |
| Nigeria & West Africa Coverage | ✗ | ✓ |
| Static Map Image Generation | ✗ | ✗ |
| Real-time Traffic Data | ✗ | ✗ |
| API Key / Token Authentication | ✓ | ✓ |
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