Changelog

What's new

Product updates, new APIs, security improvements, and breaking changes. Subscribe to the RSS feed or follow us on Twitter for real-time updates.

launchv1.0.0

Helix-API public launch

  • 20 production APIs live across AI Infrastructure, Scraping & Data, Automation, and Developer Tools
  • Free Basic tier with 100 requests/month on every API
  • OpenAPI 3.0 specs published for every endpoint
  • Status page with live health for all services
featurev0.9.5

Standardized response envelope across all APIs

  • Every endpoint now returns `{status, data, meta, timestamp}` for consistency
  • Added `meta.cached` and `meta.latency_ms` fields
  • Added `meta.request_id` for tracing across logs
featurev0.9.0

TTL caching on read endpoints

  • Per-endpoint TTL caching to reduce upstream load and improve p95
  • Cache headers exposed: `X-Cache: HIT|MISS`
  • Custom TTL configurable via `?ttl=<seconds>` on Pro+ plans
securityv0.8.0

Hardened authentication and error handling

  • X-Powered-By header sanitized to `Helix-API`
  • Generic error responses on auth failures (no stack traces leaked)
  • Rate limit headers added: `X-RateLimit-Remaining`, `X-RateLimit-Reset`

Versioning policy: Helix-API follows semver. Breaking changes only ship in major versions with 90 days advance notice. Endpoints are pinned per API version — older versions remain available for 12 months after the next major release.

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