{"status":200,"currency":"USD","billing":"Prepaid credit, debited per successful query. Cached revalidations (HTTP 304) and rate-limited requests are never charged.","freeTier":{"queriesPerDayPerKey":50,"note":"No card required. Create a key at POST /api/v1/keys/create."},"tiers":[{"tier":"component_lookup","priceUsd":0.001,"label":"Component specification lookup","rationale":"Static reference data, cached indefinitely by the caller."},{"tier":"api_schema","priceUsd":0.002,"label":"API schema lookup","rationale":"Versioned endpoint shape; changes on publisher release cadence."},{"tier":"semantic_search","priceUsd":0.003,"label":"Natural-language catalogue search","rationale":"Intent matching across the catalogue; returns ranked candidates."},{"tier":"deprecation_scan","priceUsd":0.005,"label":"Deprecation and sunset radar","rationale":"Aggregates spec-declared deprecations, sunset dates, and replacement operations across services."},{"tier":"auth_playbook","priceUsd":0.005,"label":"Auth and error playbook","rationale":"Aggregates declared auth schemes, scopes, rate-limit headers, and full error-code table per service."},{"tier":"capability_search","priceUsd":0.005,"label":"Cross-service capability search","rationale":"Answers \"which of these services can do X\" across the whole index. Replaces an unbounded web search an agent cannot reliably perform."},{"tier":"integration_brief","priceUsd":0.01,"label":"Integration brief","rationale":"Everything needed to write one working call — base URL, auth scheme, required parameters, body shape, response codes — compiled into a single response. Replaces five to ten schema lookups plus a documentation crawl."},{"tier":"package_advisory","priceUsd":0.02,"label":"Dependency upgrade advisory","rationale":"What breaks between two published versions of a package, derived from publisher-declared registry metadata with the exact evidence field attached. Prevents a failed upgrade — same value class as an API breaking change, and unlike that tier the version ordering is declared rather than inferred."},{"tier":"breaking_change","priceUsd":0.02,"label":"Breaking-change and migration analysis","rationale":"Derived analysis that prevents a failed deployment. Recomputed as publishers ship."}],"creditBlocks":[{"amountUsd":10,"label":"Starter","note":"Evaluation and small projects"},{"amountUsd":50,"label":"Standard","note":"Recommended — lowest effective fee per query"},{"amountUsd":200,"label":"Scale","note":"High-volume agent fleets"}]}