Detailed technical benchmark and comparison between OpenStreetMap Nominatim API and Geocod.io API. Analyze pricing structures, verified webhooks, sandbox testing, authentication, and compliance for teams building in Nigeria.
Convert addresses to coordinates and back for free
Geocode US and Canadian addresses only, no Nigeria coverage
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.
Geocod.io API is best for uS and Canadian developers needing fast, affordable geocoding and reverse geocoding with batch processing, congressional district data, census tract information, and timezone lookups.
| Highlight | O OpenStreetMap Nominatim API | G Geocod.io API |
|---|---|---|
| Authentication | None (public API include valid User-Agent header) | API Key (query parameter) |
| Rate Limit | Public server: max 1 request/second. Self-hosted: unlimited. Must include valid HTTP User-Agent. | 2,500 free lookups/day. Paid usage billed per lookup at $0.50/1,000. |
| Sandbox Mode | ✗ Not Available | ✓ Available |
| Webhooks | Not verified yet | Not verified yet |
| API Services | Forward Geocoding (Address to Coordinates)Reverse Geocoding (Coordinates to Address)Place / POI Search | Forward Geocoding (Address to Coordinates)Reverse Geocoding (Coordinates to Address)Nigeria & West Africa CoverageReal-time Traffic Data |
| Supported Regions |
| Fee Component | O OpenStreetMap Nominatim API | G Geocod.io API |
|---|---|---|
| Free Tier / Trial Credits | Completely free and open source |
|
| Setup & Monthly Fees | Contact provider | No monthly subscription required |
| Rates & Additional Terms |
| Standard tier rates apply |
| Feature / Capability | O OpenStreetMap Nominatim API | G Geocod.io 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 | ✗ | ✓ |
| Sandbox Testing Environment | ✗ | ✓ |
| API Key / Token Authentication | ✓ | ✓ |
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