API Changelog

Field	Value
Document ID	ASCEND-REF-001
Version	1.0.0
Last Updated	December 19, 2025
Author	Ascend Engineering Team
Publisher	OW-KAI Technologies Inc.
Classification	Enterprise Client Documentation
Compliance	SOC 2 CC6.1/CC6.2, PCI-DSS 7.1/8.3, HIPAA 164.312, NIST 800-53 AC-2/SI-4

Reading Time: 5 minutes | Skill Level: All Levels

Current Version

API Version: v1 Base URL: https://pilot.owkai.app/api/v1

Version History

v1.5.0 (December 2025)

New Features

• MCP Governance - Full Model Context Protocol support

  • POST /api/mcp/servers/register - Register MCP servers
  • POST /api/mcp/evaluate - Evaluate MCP tool calls
  • GET /api/mcp/servers - List registered servers
  • PUT /api/mcp/servers/{id}/trust - Set trust levels

• Data Rights API - GDPR/CCPA compliance

  • POST /api/data-rights/access/request - Access requests
  • POST /api/data-rights/erasure/request - Erasure requests
  • POST /api/data-rights/consent/record - Record consent
  • GET /api/data-rights/requests/{id} - Request status

• BYOK (Bring Your Own Key) - Customer-managed encryption

  • POST /api/byok/configure - Configure BYOK
  • POST /api/byok/rotate - Rotate keys
  • GET /api/byok/status - Encryption status

Improvements

• Reduced action submission latency by 30%
• Enhanced risk assessment with new PII detection
• Improved audit log query performance

Breaking Changes

None

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v1.4.0 (November 2025)

New Features

• Agent Health Monitoring

  • POST /api/agents/{id}/heartbeat - Send heartbeat
  • GET /api/agents/{id}/health - Health status
  • Automatic health degradation detection

• Notification Channels

  • POST /api/notifications/channels - Create channel
  • POST /api/notifications/channels/{id}/test - Test delivery
  • Slack and Teams support

• Smart Alerts

  • GET /api/alerts/active - Active alerts
  • POST /api/alerts/{id}/acknowledge - Acknowledge
  • WebSocket streaming: ws://pilot.owkai.app/api/alerts/stream

Improvements

• Added processing_time_ms to action responses
• Enhanced webhook retry logic (exponential backoff)
• Improved error messages with resolution hints

Deprecations

• GET /api/agents/status → Use GET /api/agents/{id}/health

---

v1.3.0 (October 2025)

New Features

• Compliance Export

  • POST /api/compliance-export/exports - Generate reports
  • GET /api/compliance-export/exports/{id} - Download
  • SOC 2, HIPAA, PCI-DSS templates

• Bulk Operations

  • POST /api/v1/actions/bulk - Submit multiple actions
  • POST /api/governance/bulk-decision - Bulk approve/deny

• Analytics Enhancements

  • GET /api/analytics/risk-trends - Risk score trends
  • GET /api/analytics/agent-performance - Agent metrics

Improvements

• Increased rate limits for Enterprise tier
• Added correlation_id support for request tracing
• Enhanced audit log filtering

---

v1.2.0 (September 2025)

New Features

• SSO Support

  • SAML 2.0 integration
  • OIDC support
  • JIT user provisioning

• Multi-Tenant Isolation

  • Row-Level Security enabled
  • Per-tenant encryption keys
  • Organization-scoped API keys

Improvements

• Reduced P99 latency to 250ms
• Enhanced smart rule condition operators
• Improved documentation

---

v1.1.0 (August 2025)

New Features

• Smart Rules Engine

  • POST /api/smart-rules - Create rules
  • Conditional logic support
  • Priority-based evaluation

• Agent Kill Switch

  • POST /api/agents/{id}/kill - Emergency stop
  • POST /api/agents/{id}/reactivate - Resume

• Webhook System

  • POST /api/webhooks - Create webhook
  • HMAC signature verification
  • Retry with exponential backoff

Improvements

• Added metadata field to actions
• Enhanced error responses
• Improved rate limit headers

---

v1.0.0 (July 2025)

Initial Release

• Actions API

  • POST /api/v1/actions - Submit action
  • GET /api/v1/actions/{id} - Get action
  • POST /api/v1/actions/{id}/approve - Approve
  • POST /api/v1/actions/{id}/deny - Deny

• Agents API

  • POST /api/agents/register - Register agent
  • GET /api/agents - List agents
  • GET /api/agents/{id} - Get agent

• Authentication

  • API key authentication
  • JWT token authentication
  • MFA support

• Risk Assessment

  • Automatic risk scoring
  • Configurable thresholds
  • Risk factor breakdown

Deprecation Policy

• Notice Period: 6 months minimum
• Migration Support: Documentation and examples provided
• Sunset Process:
  1. Deprecation announcement
  2. Warning headers added
  3. Rate limiting on deprecated endpoints
  4. Endpoint removal

Versioning Strategy

ASCEND follows semantic versioning:

• Major (vX.0.0): Breaking changes
• Minor (v1.X.0): New features, backwards compatible
• Patch (v1.0.X): Bug fixes

API Stability

Endpoint Category	Stability
/api/v1/actions	Stable
/api/agents	Stable
/api/smart-rules	Stable
/api/mcp	Beta
/api/data-rights	Beta

Migration Guides

• v1.3 to v1.4 Migration
• v1.2 to v1.3 Migration

Subscribe to Updates

# Get API changelog via webhook
curl -X POST "https://pilot.owkai.app/api/webhooks" \
  -H "Authorization: Bearer <admin_jwt>" \
  -d '{
    "url": "https://your-endpoint.com/webhook",
    "events": ["api.changelog"]
  }'

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Document Version: 1.0.0 | Last Updated: December 2025