Developer Platform
Self-serve REST API for Planning Data-sourced planning applications and council reference data. Explore documented endpoints, authenticated requests, and clear monthly usage allowances.
All API requests require a Bearer token in the Authorization header. Trial keys are prefixed with pa_trial_ and paid keys are prefixed with pa_live_.
Base URL: https://planningalerts.app
API Trial
API Starter
API Growth
API Pro
/v1/applicationsSearch Planning Data-sourced planning applications by postcode, status, or free text.
Parameters
postcodestringUK postcode (e.g. SW1A1AA)qstringReference, address, or description keywordsstatusstringPermitted | Refused | Undecided | WithdrawncouncilstringCouncil/LPA codelimitintegerResults per request (max 100, default 25)Example
GET /v1/applications?postcode=SW1A1AA&status=Undecided
Authorization: Bearer pa_live_xxxxxxxxxxxx
{
"total": 12,
"items": [
{
"id": 1234567,
"reference": "25/00456/FUL",
"lpa_code": "WCC",
"address": "14 Oak Street, London SW1A 1AA",
"description": "Erection of single-storey rear extension",
"app_status": "Undecided",
"app_type": "Full",
"received_date": "2026-07-15",
"source": "planningdata",
"source_url": "https://www.planning.data.gov.uk/..."
}
]
}/v1/applications/:idRetrieve a single planning application by its internal ID.
Example
GET /v1/applications/1234567 Authorization: Bearer pa_live_xxxxxxxxxxxx
/v1/councilsList all 312 councils with their portal status and last scrape timestamp.
Example
GET /v1/councils Authorization: Bearer pa_live_xxxxxxxxxxxx
Event delivery is the next API capability planned for API Growth and API Pro. Start with the current REST API trial and use the developer dashboard to monitor keys and usage.
new_applicationA new planning application has been submitted
status_changeAn application status has changed (e.g. Undecided → Permitted)
The Planning Alerts API provides Planning Data-sourced planning applications and council reference data. Each application record includes the reference number, address, description, application type, status, received date, consultation deadline, source label, and published source link.
The API is used by property developers, estate agents, conveyancers, planning consultants, and PropTech companies who need programmatic access to UK planning application data. Common use cases include due diligence, site monitoring, portfolio management, and automated planning alerts for clients.
Contains Planning Data public sector information licensed under the Open Government Licence v3.0. Any product or service displaying data obtained via the API must retain this attribution and link to the Open Government Licence v3.0.
Create an account to start a 14-day API trial with 1,000 requests and no card required. Your API key is available in the developer dashboard. All API requests must include your key in the Authorization: Bearer header. The base URL is https://planningalerts.app/v1.