Developer Resources

Integrate with Hayati AI Nexus using our public API and machine-readable resources. All public endpoints are available without authentication.

Quick start

Fetch active pricing plans (no auth required):

curl https://www.hayatiainexus.com/api/plans

All API errors return structured JSON with error, code, and hint fields.

Machine-readable resources

OpenAPI Specification

Machine-readable API specification (OpenAPI 3.1). Use this to auto-generate client SDKs or integrate with AI function-calling systems.

/openapi.json

llms.txt

Plain-text product summary optimized for AI agents, language models, and answer engines. Includes pricing, features, and page index.

/llms.txt

Sitemap

XML sitemap listing all public pages with last-modified dates and priority signals.

/sitemap.xml

robots.txt

Crawler directives. AI search crawlers (GPTBot, ClaudeBot, PerplexityBot, etc.) are explicitly allowed.

/robots.txt

Health Check

GET endpoint returning JSON with service status and timestamp. No authentication required.

/api/health

Pricing Plans API

GET endpoint returning all active license plans with pricing in INR. Cached for 1 hour. No authentication required.

/api/plans

Content negotiation

Key pages support Accept: text/markdown content negotiation. When an agent requests markdown, the response is a simplified markdown document instead of HTML.

curl -H "Accept: text/markdown" https://www.hayatiainexus.com/

Error format

All /api/* endpoints return structured JSON errors:

{
  "error": "The requested endpoint does not exist",
  "code": "NOT_FOUND",
  "hint": "Check /openapi.json for available endpoints or /llms.txt for product documentation."
}

5xx errors additionally include an errorId (UUID) for support reference.