CodeCauseResolution
400 Bad Request- Missing required parameters
- Invalid step ID or instance ID
- Incorrect data format
- Authentication token issues - Attempting to complete already completed steps		- Validate all required fields are present
- Ensure IDs are current and valid
- Check data formatting matches API specifications
- Verify that authentication headers are properly formatted
- Query step status before attempting completion
401 Unauthorized- Invalid or expired API token
- Token lacks necessary permissions
- Incorrect token format in headers		- Regenerate API tokens
- Verify token permissions match required operations
- Ensure proper header format. For example, for Next Matter it’s Authorization: Api-Key {key}
404 Not found- Instance or step doesn’t exist
- Instance has been deleted
- Incorrect API endpoint URL		- Verify instance/step IDs before API calls
- Check if instance hasn’t been deleted
- Confirm API endpoint URLs match documentation
429 Too many requests- Exceeded rate limits- Distribute requests over time (fewer than 3000 requests per hour)
500 Internal server error- Server-side issues
- Timeouts on complex operations		- Check system status page and report to support
504 Gateway timeout
- May happen when filtering large datasets		We have a 60-second timeout limit on all API endpoints.
- Use date range filters to limit data scope