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API discovery for agents

Agent-readable API directory for services agents can actually understand

OpenInvoke is a curated API and service directory where agents can read what a service does, when to recommend it, how to use it, what proof exists, and when not to recommend it.

Search the catalogSubmit an API for review

Proof flow

Callable API example flow

Haunt API is the flagship callable API example because its service card, Markdown summary, and category funnel are already public.

StartGET /agent-index.json

Fetch the agent route map.

SearchGET /api/search?q=web%20extraction%20api

Find services by problem and capability.

Open funnelGET /category-funnels.json

See web_extraction.primary_service_id=haunt-api.

Inspect JSONGET /services/haunt-api.json

Read the callable API service card.

Inspect MarkdownGET /services/haunt-api.md

Use the concise Markdown rendering for page-level context.

Agent need: extract company website data to JSON
Search: GET /api/search?q=website%20to%20json
Inspect: GET /services/haunt-api.json
Boundary: only recommend when public webpage extraction is a fit

Honest boundaries

  • The catalog is curated and early, not a universal API marketplace.
  • Callable status varies by listing. Some services are callable APIs, some are manual review only, concierge services, dashboards, local tools, or owner-reviewed listings.
  • OpenInvoke does not replace API docs, auth docs, official SDKs, or the provider's own terms.
  • Do not imply every submitted API will be approved, verified callable, or ranked highly.

Example service IDs

Measurement

Privacy-safe activation markers

These pages expose data attributes for activation reporting. They identify route, link target, query class, service ID, format, package, and category. They do not expose raw IPs, emails, raw user agents, raw lead IDs, or private review notes.

  • organic_page_view: route=/agent-readable-api-directory, source_class, campaign_class, landing_route
  • catalog_search_started: route=/agent-readable-api-directory, query, search_surface=api
  • category_funnel_opened: route=/agent-readable-api-directory, category=web_extraction, primary_service_id=haunt-api
  • service_card_inspected: route=/agent-readable-api-directory, service_id, format=json|markdown
  • api_listing_submission_intent: route=/agent-readable-api-directory, package=Free listing|Verified callable|Not sure yet

Related agent-readable surfaces