API Changelog
Track feature releases, improvements, and fixes across the AEXO Data API. Stay informed about the latest developer capabilities.
Developer Preview
The AEXO API is currently in active development. Breaking changes may occur. We recommend pinning to a specific API version for production use.
v1.3.0
May 2026
Bulk export endpoint (/api/v1/export) now supports JSON format
MWBE filter parameter added to /api/v1/records
Rate limit headers now included in all API responses (X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Reset)
v1.2.0
April 2026
/api/v1/categories endpoint
/api/v1/states endpoint
Response time reduced for filtered queries
status filter now correctly handles "Expired" values
v1.1.0
March 2026
API key authentication system launched
/api/v1/records endpoint with Bearer token auth
Daily rate limiting (Standard: 500/day, Agency: 2000/day)
/api/v1/keys/validate endpoint
v1.0.0
February 2026
AEXO Data API launched in Developer Preview
NY Verified Contractor dataset — 13,361 records
CSV and Excel export formats supported
Earlier versions are no longer supported. Please upgrade to the latest API version.