Migrating from API v1 to v2

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This guide helps you migrate from API v1 to v2.

Breaking Changes

Base URL Change

https://api.acme.com/v1
https://api.acme.com/v2

User Object Changes

{
  "id": "usr_abc123",
 "user_email": "alice@example.com",
 "email": "alice@example.com",
 "user_name": "Alice Smith",
 "name": "Alice Smith",
 "created": "2024-01-10",
 "created_at": "2024-01-10T08:00:00Z",
  "status": "active"
}

Pagination Changes

v1 (offset-based):

{
  "users": [...],
  "total": 150,
  "page": 1,
  "per_page": 20
}

v2 (cursor-based):

{
  "data": [...],
  "has_more": true,
  "next_cursor": "cur_xyz789"
}

Authentication Header

X-API-Key: sk_live_abc123
Authorization: Bearer sk_live_abc123

Migration Checklist

Update base URL to /v2
Update authentication header format
Update field names in request/response handling
Switch from offset to cursor-based pagination
Update error handling for new error format
Test all API integrations thoroughly

Deprecation Timeline

Date	Action
June 1, 2024	v1 deprecation announced
September 1, 2024	v1 returns deprecation warnings
December 31, 2024	v1 endpoints disabled

Need Help?

Contact support@acme.com for migration assistance.