Detailed technical benchmark and comparison between OpenStreetMap Nominatim API and Foursquare 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 100M+ curated businesses, venues and points of interest globally
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.
Foursquare Places API is best for developers needing high-quality, editorially curated place data businesses, landmarks, and venues with rich contextual attributes. Good alternative to Google Places for applications needing curated venue data.
| Highlight | O OpenStreetMap Nominatim API | F Foursquare Places API |
|---|---|---|
| Authentication | None (public API include valid User-Agent header) | OAuth 2.0 or API Key |
| Rate Limit | Public server: max 1 request/second. Self-hosted: unlimited. Must include valid HTTP User-Agent. | Free: 1,000 calls/day. Paid plans for higher limits. |
| 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 APISandbox / Test EnvironmentAPI DocumentationRate Limiting & Quota Management |
| Supported Regions |
| Fee Component | O OpenStreetMap Nominatim API | F Foursquare Places API |
|---|---|---|
| Free Tier / Trial Credits | Completely free and open source | Free:1,000 API calls/day |
| Rates & Additional Terms |
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