Changelog

Version history for the Transformer API.

Origin note: the Transformer API launched in 2025 under the internal codename CSTM-1. The entries below are that engine's real release history, preserved here for continuity. See API Reference for the current, fully up-to-date endpoint set.

v1.5 — Data Intelligence Agent

2025-05

Emerging skills tracker and AI disruption index added.

v1.4 — Rate limiting & key format

2025-05

Daily rate limits and per-minute throttling introduced. New csk_live_ / csk_test_ key format, plus secret keys.

v1.3 — Intelligence Heads & CSTM-1 identity

2025-04

Five Intelligence Heads shipped: match, salary, career-path, resume-score, skill-gap. First release under the CSTM-1 name.

v1.2 — Global salary intelligence

2025-04

196-country salary intelligence with PPP-adjusted benchmarks.

v1.1 — Career graph

2025-03

Career graph endpoint with knowledge graph clustering, plus career score.

v1.0 — Initial release

2025-03

NER extraction, job match, and the initial API key system.