Changelog
Version history and updates to the SeaLegs Developer API
API Versioning
The SeaLegs API uses versioning in the URL path (e.g., /v3/). We follow these principles:
- Major versions (v3, v4) may include breaking changes
- Minor updates within a version are backwards compatible
- Deprecated features are announced at least 6 months before removal
February 2026
February 7, 2026
New
Webhook Signing Secret in Dashboard
You can now view and manage your webhook signing secret directly from the Developer Dashboard.
Changes
- Dashboard Webhooks tab - View, copy, and regenerate your webhook signing secret
December 2025
December 1, 2025
New
Developer API v3 - Initial Release
We're excited to announce the public release of the SeaLegs Developer API!
Features
- SpotCast API - Create marine weather forecasts with AI-powered recommendations
- Webhook Support - Receive notifications when forecasts complete, with HMAC-SHA256 signature verification
- Pre-paid Credits - Simple usage-based billing
- Developer Dashboard - Manage API keys and monitor usage
Endpoints
POST /v3/spotcast- Create a new SpotCast forecastGET /v3/spotcast/{id}- Get SpotCast with latest forecastGET /v3/spotcast/{id}/status- Get processing statusPOST /v3/spotcast/{id}/refresh- Create new forecast for existing SpotCastGET /v3/spotcasts- List all SpotCastsGET /v3/account/balance- Get credit balance
Upcoming Features
We're actively working on the following features:
- Usage Analytics API - Programmatic access to your usage data
- Route Forecasts - Weather forecasts along a route, not just a single point
Feature Requests
Have a feature request? Email us at support@sealegs.ai - we'd love to hear from you!
Deprecation Policy
When we deprecate features:
- We announce the deprecation at least 6 months in advance
- Deprecated features continue to work during the deprecation period
- We provide migration guides for breaking changes
- We send email notifications to affected developers
Currently, there are no deprecated features.