Landcheck API
Access Ontario property land data programmatically. Ideal for PropTech applications, real estate platforms, and planning tools.
API Tier
$0.10 / lookup
- All 37 GeoHub layers
- JSON response with structured data
- No rewarded video gate
- Metered billing via Stripe
- 1,000 lookups/hour rate limit
- Bearer key authentication
Endpoint
POST https://landcheck.ca/api/lookupAuthentication
Authorization: Bearer YOUR_API_KEY
Request
{
"address": "100 Queen St W, Toronto, ON"
}Response
{
"address": "100 Queen St W, Toronto, ON M5H 2N2, Canada",
"lat": 43.6532,
"lon": -79.3832,
"layers": {
"greenbelt": false,
"ormcp": null,
"nep": false,
"soil": { "cliClass": "7", "description": "..." },
"caBoundary": { "caId": "TRCA", "caName": "Toronto and Region Conservation Authority" },
"watercourseProximity": "outside",
"wetlandProximity": "outside",
"floodProximity": "outside",
"lakeshoreProximity": "outside"
},
"dataAsOf": {
"greenbelt": "2024-01-15",
"ca_admin_areas": "2024-03-01"
}
}Error Codes
| Status | Code | Meaning |
|---|---|---|
| 400 | BAD_REQUEST | Invalid request body |
| 401 | UNAUTHORIZED | Missing or invalid API key |
| 404 | ADDRESS_NOT_FOUND | Address could not be geocoded |
| 422 | OUTSIDE_ONTARIO | Coordinates outside Ontario bounds |
| 429 | RATE_LIMITED | Rate limit exceeded — includes Retry-After header |
| 503 | DB_ERROR | Spatial database temporarily unavailable |
Get API Access
API tier is billed per lookup via Stripe. No monthly minimum.
API key signup available in Sprint 4.