API Changelog & Versioning
Track API changes, breaking updates, and migration paths. Stay informed on new features and plan upgrades strategically.
API Versions
Smart Money API uses semantic versioning. All endpoints support a version parameter in the URL path.
Current Stable Version: v1 (recommended for all new integrations)
Versioning Policy
We maintain backward compatibility within major versions. Minor versions add new fields and features without breaking changes. Major version bumps introduce breaking changes with 6 months notice.
Current Version: v1
Released: 2025-06-15 | Status: Stable | End of Life: 2028-06-15
v1 Features
- REST API with 15+ endpoints
- WebSocket real-time streaming
- Whale position tracking (600+ wallets)
- Funding rate aggregation (3 exchanges)
- Open interest and liquidation data
- AI confirmation scores
- On-chain metrics (Bitcoin, Ethereum)
- Batch operations (100 requests/batch)
- Webhooks for event notifications
Recent Changelog
v1.2.4 NEW
Released 2026-03-18
- New endpoint: /v1/on-chain/whale-flows — Track whale wallet deposits/withdrawals
- Enhanced confirmation scores with sentiment analysis
- WebSocket compression support (gzip, deflate)
- Improved error messages with resolution steps
v1.2.3
Released 2026-02-28
- Added margin_ratio field to whale positions
- Extended liquidation history to 30 days (was 7 days)
- Improved webhook delivery reliability
v1.2.0
Released 2026-01-15
- Major: Open Interest endpoint (Pro tier)
- Major: On-chain metrics endpoint (Pro tier)
- New pagination limit: 500 (was 100)
- Batch operations support
Migration Guides
Migrating to v1.2.0
Open Interest and On-Chain endpoints are new and don't affect existing integrations. No migration required.
Optional upgrade: Use the new open_interest endpoint for better market analysis.
Deprecations & Removals
No deprecated endpoints in v1 currently. All documented endpoints remain supported.
Future Deprecations (Planned for v2)
The following endpoints will be deprecated in v2.0 (planned for 2027). Migration path provided.
None currently. v1 is stable and fully backward compatible.
Sunset Policy
Deprecated endpoints receive 6 months notice before removal. We provide clear migration guides for all breaking changes.
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