🐱 Agent ready instruction recipes for integrating Google Play Billing & RevenueCat SDK: grounded, drop-in guidance for Android in-app purchases.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when implementing Google Play's alternative billing programs or external offers (introduced across PBL 8.2 to 8.3, current as of PBL 9.x). Covers user choice billing, alternative billing only, external transaction reporting, and the regional program eligibility.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when building a backend for Google Play Billing receipt verification. Covers receiving purchase tokens from the client, calling the Google Play Developer API to verify, storing subscription state, and exposing a production ready verification endpoint.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill as a reference lookup for every Play Billing Library BillingResponseCode and sub response code, with description, category, and handling guidance. Grounded in PBL 9.x.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when implementing cancellations, developer initiated revocations, subscription pauses, and winback offers on Google Play. Covers user initiated cancellation, system cancellation, developer revoke/refund, pause resume flow, and winback API tools.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when managing Google Play product and subscription catalogs programmatically with the Google Play Developer API. Covers create, update, archive for both inappproducts and monetization.subscriptions endpoints, plus regional pricing automation.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when designing error handling and retry strategy for the Play Billing Library. Classifies every BillingResponseCode into recoverable, non recoverable, and user driven categories and builds a retry plan with exponential backoff and circuit breaker patterns.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when integrating the Google Play Billing Library client side (adding the dependency, wiring BillingClient, managing its connection lifecycle, and querying product details). Grounded in PBL 9.x.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when implementing, acknowledging, or consuming Google Play one time products (consumables and non consumables) with the Play Billing Library. Covers launch, pending transactions, consume for consumables, acknowledge for non consumables.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when handling failed subscription renewals on Google Play. Covers Grace Period (user keeps access), Account Hold (access revoked), the RTDN signals that move between stages, and the in app messaging required to drive recovery.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when migrating an Android app from Play Billing Library 7.x to 8.x. Covers the full breaking change list, the dependency bump, the required API renames, and the step by step verification flow.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when migrating an Android app from Play Billing Library 7.x straight to 9.x. There is no direct path: you do the breaking v7 to v8 work first, then the small v8 to v9 delta. Covers the full rename map, the dependency bump, the two stage plan, and the verification flow.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when migrating an Android app from Play Billing Library 8.x to 9.x. Covers the small v9 delta (no API removals): the dependency bump, the targetSdk 35 and androidx.core requirements, the blocked Play Store error reclassification, the nullable getLinkUri change, the optional in app price increase…
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when implementing Google Play subscription upgrades, downgrades, or plan switches with setSubscriptionUpdateParams. Covers the six replacement modes (WITHTIMEPRORATION, CHARGEPRORATEDPRICE, WITHOUTPRORATION, DEFERRED, CHARGEFULLPRICE, the deprecated UNKNOWN) and when each applies.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill as a quick reference for billing related Google Play Developer API REST endpoints, covering purchases.products, purchases.subscriptionsv2, purchases.voidedpurchases, and monetization endpoints. Lists paths, auth scopes, and typical request shapes.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when changing subscription prices on Google Play. Covers opt out price decreases versus opt in price increases, the 30 to 37 day notification timeline, the SUBSCRIPTIONPENDING state, and the API calls to manage price changes for existing subscribers.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when implementing the Play Billing purchase flow end to end. Covers building BillingFlowParams, launching launchBillingFlow(), receiving results in PurchasesUpdatedListener, handling every BillingResult outcome, and posting to your backend.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill as a quick lookup for all Google Play Real Time Developer Notification (RTDN) types with their integer codes, trigger conditions, and recommended handling. Covers subscription notifications, one time purchase notifications, voided purchase notifications, and test notifications.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when setting up Real Time Developer Notifications (RTDN) for Google Play. Covers the full pipeline from Cloud Pub/Sub configuration through message parsing and processing all 22 subscription notification types (renewals, cancellations, revocations, account holds, etc.).
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when hardening a Google Play Billing integration against fraud. Covers server side receipt verification, replay attack protection, device fingerprinting, velocity checks, and the most common billing fraud patterns.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when configuring Play Console, creating products, enabling service account API access, or setting up RTDN before writing billing code. You stand up the full Google Play billing environment so app and backend code can authenticate, query products, and receive server side purchase events.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill as the pull out reference for the full Google Play subscription state machine, showing every state and every RTDN triggered transition in one diagram.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when mapping a Google Play subscription to the seven states (PENDING, ACTIVE, INGRACEPERIOD, ONHOLD, PAUSED, CANCELED, EXPIRED) and deciding what access your app should grant in each state.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when modeling Google Play subscriptions (the three tier Subscription, Base Plan, Offer hierarchy), choosing a catalog shape, and deciding how to map your paywall to base plans and offers. Grounded in Play Billing Library 9.x.
RevenueCat/play-billing-skills
Skill Claude CodeCodex
Use this skill when testing a Google Play Billing integration. Covers license test accounts, static test responses, Play Console sandbox purchases, and subscription lifecycle acceleration for renewals, grace period, and account hold.
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