Enhanced Places API
A comprehensive REST API that provides rich place data enhanced with AI-generated descriptions, local relationships, and contextual information. Built on Overture Maps data with additional intelligence layers powered by accuracy transfer processing.
API Capabilities
Comprehensive place data enhanced with local intelligence and AI-powered descriptions for building location-aware applications.
Place Search
Search places with multiple filters and parameters
- Bounding box and coordinate searches
- Distance-based radius filtering
- Category and name filtering
- GeoJSON place collection responses
Field of View
Find places visible from camera field of view
- Camera-based place discovery
- Street view integration
- Visible place feature detection
- Multiple imagery source support
Place Details
Detailed place information and associated imagery
- Place retrieval by Overture ID
- Associated street-level views
- Mapillary image integration
- Rich metadata and properties
Accuracy Transfer
Our Enhanced Places API leverages accuracy transfer to improve foundation map data with real-world positioning corrections. By transferring sub-meter precision from Zephr's positioning network to map coordinates, we deliver the most accurate place data available.
Foundation Map Enhancement
Overture Maps data corrected with field-verified positions
Precision Propagation
Sub-meter accuracy transferred from reference points to nearby places
Dynamic Corrections
Continuous improvement through real-world positioning data
Accuracy Comparison
Enhanced Positioning
Local Context
Real-World Accuracy
API Integration
Simple REST API with powerful location query capabilities and rich response data.
Example Request
curl --request GET \
--url 'https://api.zephr.xyz/v1/places/search?h3=882681a307fffff&limit=1000&confidence=0.9' \
--header 'authorization: Bearer <token>' \
--header 'content-type: application/json' \
--header 'referrer: https://zephr.xyz/'Enhanced Response
{
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {
"id": "bc566266-7347-45ae-932f-20d0f7c2f0a9",
"name": "Illegal Pete's",
"description": null,
"category": "texmex_restaurant",
"primary_category": "Texmex Restaurant",
"alternate_categories": "Mexican Restaurant, Bar",
"address": null,
"full_address": "1447 Pearl St",
"locality": "Boulder",
"region": "CO",
"postcode": "80302-5306",
"overture_id": "08f2681a306c53610357d0b880befcb6",
"augmentations": {
"ai_description": {
"s3_key": "place-descriptions/08f2681a306c53610357d0b880befcb6.md",
"summary": "Here's a concise summary of Illegal Pete's: Nestled on Boulder's bustling Pearl Street, Illegal Pete's is a beloved local Tex-Mex restaurant that has been serving up mission-style burritos and creative Mexican-inspired cuisine since 1995. With its energetic atmosphere, diverse menu, and strong community roots, this independently-owned spot offers a vibrant dining experience that appeals to students, locals, and visitors alike, making it a must-visit culinary destination in downtown Boulder.",
"s3_bucket": "zephrture-place-descriptions",
"overture_id": "08f2681a306c53610357d0b880befcb6",
"generated_at": "2025-08-25 21:02:15.102846+00:00"
}
},
"last_enriched_at": "2025-08-25T21:02:15.102867",
"overture_compat": {
"id": "08f2681a306c53610357d0b880befcb6",
"categories": {
"primary": "texmex_restaurant",
"alternate": [
"Mexican Restaurant",
"Bar"
]
},
"names": {
"primary": "Illegal Pete's"
},
"addresses": [
{
"freeform": "1447 Pearl St",
"locality": "Boulder",
"region": "CO",
"postcode": "80302-5306"
}
],
"confidence": 0.9671629803533918
}
},
"geometry": {
"type": "Point",
"coordinates": [
-105.2766696,
40.0186904
]
}
},
...Start Building with Enhanced Places
Access the most accurate place data available, enhanced with AI descriptions and powered by accuracy transfer technology.