API Changelog
Stay up to date with API changes and improvements.
All notable changes to the Propstreet Public API are documented here. This project uses Semantic Versioning.
[1.0.0] - December 2025
Added
Core Resources:
- Contacts - Full CRUD, search, batch operations
- Companies - Full CRUD, search, batch operations
- Links - Contact-Company relationships
- Network Actions - Activity notes on contacts and companies
- Files - Document attachments (up to 25MB)
Authentication:
- OAuth 2.0 with Client Credentials flow for production integrations
- Personal Access Tokens for testing and scripts
- Bot Users for dedicated integration accounts
Sync Features:
- Delta sync with
updated_sinceandinclude_deleted - Cursor-based pagination (up to 500 per page)
- ETag-based concurrency for safe updates
- External references for CRM ID tracking
Rate Limits:
- OAuth Clients: 600 requests/minute
- Personal Access Tokens: 60 requests/minute
Documentation:
- Comprehensive guides at docs.propstreet.com
- Interactive API explorer
- Code samples for TypeScript, C#, Python
Roadmap
Webhooks (planned)
Push notifications for real-time updates:
- Contact/Company created, updated, deleted
- Note added
- Relationship changes
Stay tuned for webhook documentation.
Deprecation Policy
We follow a deprecation policy to ensure stability:
- Deprecation notice - Announced in changelog and API responses
- Migration period - Minimum 6 months before removal
- Removal - After migration period ends
We'll always provide migration guidance and support.
Subscribe to Updates
For API announcements:
- Watch this changelog
- Contact feedback@propstreet.com to join our developer updates list