overlay: 1.0.0 info: title: API Evangelist enhancements for AppLovin Axon Campaign Management Ad Units Conversion Events API version: 1.0.0 extends: openapi/applovin-conversion-events-api-openapi.yml x-generated: '2026-08-13' x-method: generated x-source: https://support.applovin.com/en/growth/promoting-your-websites/api/conversion-api-for-lead-gen actions: - target: $.info update: x-apievangelist-provider: applovin x-apievangelist-product: Conversion API for lead gen x-apievangelist-docs: https://support.applovin.com/en/growth/promoting-your-websites/api/conversion-api-for-lead-gen x-apievangelist-authentication: Authorization header (Conversion API key) + pixel_id query parameter x-apievangelist-rate-limit: not published x-apievangelist-spec-provenance: Written by API Evangelist from AppLovin published documentation. AppLovin publishes no OpenAPI of its own. - target: $.servers update: - url: https://b.applovin.com description: Conversion API for lead gen x-note: Repairs a refine-step regression that propagated the Axon campaign-management server to every split spec. Base confirmed against openapi/_original/ and the provider documentation. - target: $.info update: x-apievangelist-error-transport: Response headers x-al-error-code / x-al-error-message; X-TRACE-ID on all responses. No RFC 9457 problem+json. x-apievangelist-idempotency: Per-event dedupe_id in the request body. x-apievangelist-artifacts: authentication: authentication/applovin-authentication.yml conventions: conventions/applovin-conventions.yml errors: errors/applovin-problem-types.yml rate_limits: rate-limits/applovin-rate-limits.yml data_model: data-model/applovin-data-model.yml x-operations: - postConversionEvents