About

Imported from revenuecat/ai-toolkit (revenuecat-play-billing/skills/rc-one-time-products/SKILL.md). Install upstream with npx skills add revenuecat/ai-toolkit --skill rc-one-time-products. Copyright stays with the author (Apache-2.0; see LICENSE).

One Time Products with RevenueCat

Name: rc-one-time-products
Author: revenuecat

Sell one time products on Android without writing BillingClient glue. The RevenueCat SDK fetches products, launches the purchase, verifies the receipt, and acknowledges or consumes the token for you.

Phase 1: Scope

Answer these before touching code.

Question	Decision
Is the product consumable or non consumable?	Mark consumables in the RevenueCat dashboard so the SDK calls `consumeAsync` for you.
Do you read access through entitlements or transactions?	Prefer entitlements so access logic stays decoupled from product IDs.
Do you need server notification of the purchase?	Use RevenueCat webhooks. The `INITIAL_PURCHASE` event fires for every new non subscription purchase.

Do not call BillingClient.queryProductDetailsAsync, acknowledgePurchase, or consumeAsync yourself once RevenueCat is integrated. The SDK owns the BillingClient instance.

Phase 2: Prepare

Configure the product in Google Play Console as a one time product.
In the RevenueCat dashboard, attach the product to an offering and package, and flag it as consumable if it should be consumed on purchase.
Confirm Purchases.configure runs once on app start with your Android API key and the current App User ID.

Phase 3: Execute

Fetch offerings, launch the purchase, then read the result off CustomerInfo.

val offerings = Purchases.sharedInstance.awaitOfferings()
val pkg = offerings.current?.availablePackages?.first() ?: return

Launch the purchase with awaitPurchase. It suspends until the RevenueCat backend verifies the token.

val result = Purchases.sharedInstance.awaitPurchase(
    PurchaseParams.Builder(activity, pkg).build()
)
val info = result.customerInfo

Read access through entitlements, or fall back to the non subscription transactions list.

val hasAccess = info.entitlements["lifetime_access"]?.isActive == true
val owned = info.nonSubscriptionTransactions
    .any { it.productIdentifier == "lifetime_product_id" }

The SDK acknowledges non consumables and consumes consumables automatically once the backend verifies the purchase. You do not call acknowledgePurchase or consumeAsync.

Phase 4: Handle Edge Cases

Wrap awaitPurchase to separate cancellation, pending payments, and real errors.

try { /* awaitPurchase */ } catch (e: PurchasesTransactionException) {
    when {
        e.error.code == PurchasesErrorCode.PaymentPendingError -> showPending()
        e.userCancelled -> Unit
        else -> showError(e.error.message)
    }
}

Outcome	SDK signal	Action
Success	`awaitPurchase` returns with updated `CustomerInfo`	Grant access from `entitlements` or `nonSubscriptionTransactions`.
User cancel	`PurchasesTransactionException`, `userCancelled == true`	Swallow silently.
Pending payment	`PurchasesTransactionException`, `PaymentPendingError`	Show a pending message. The SDK updates the entitlement later through `UpdatedCustomerInfoListener`.
Other error	`PurchasesTransactionException`, other codes	Surface `e.error.message` to you.

Phase 5: Verify

Trust result.customerInfo from awaitPurchase. Do not grant access from optimistic local state.
Pending purchases do not grant entitlements. Register an UpdatedCustomerInfoListener so you react when the payment completes.
For server side provisioning, subscribe to the RevenueCat INITIAL_PURCHASE webhook. Do not reimplement Google Play Developer API verification.

References

Full chapter

Use it

Copy one of these into your project. Installing also returns the manifest and these snippets.

yaml

targets:
  - https://api.opensmartroute.ai/api/v1/registry/revenuecat-ai-toolkit-rc-one-time-products/manifest   # or paste the manifest below

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

revenuecat-ai-toolkit-rc-one-time-products.ocm.jsonjson

{
  "ocm": "1",
  "id": "revenuecat-ai-toolkit-rc-one-time-products",
  "kind": "skill",
  "name": "rc-one-time-products",
  "description": "Use this skill when selling one time products on Android with RevenueCat. Covers fetching offerings, running awaitPurchase on a non subscription package, and relying on the SDK to acknowledge or consume automatically.",
  "publisher": "revenuecat",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "customer_support"
    ],
    "tags": [
      "skill-md",
      "android",
      "revenuecat",
      "one-time-products",
      "awaitpurchase",
      "consumable",
      "non-consumable",
      "skills-sh"
    ],
    "languages": [
      "en"
    ]
  },
  "quality_prior": 0.6,
  "examples": [
    "Use this skill when selling one time products on Android with RevenueCat. Covers fetching offerings, running awaitPurchase on a non subscription package, and relying on the SDK to acknowledge or consume automatically."
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "skills.sh",
      "repository": "https://github.com/revenuecat/ai-toolkit",
      "path": "revenuecat-play-billing/skills/rc-one-time-products/SKILL.md",
      "ref": "HEAD",
      "url": "https://github.com/revenuecat/ai-toolkit/blob/HEAD/revenuecat-play-billing/skills/rc-one-time-products/SKILL.md",
      "key": "revenuecat/ai-toolkit/revenuecat-play-billing/skills/rc-one-time-products/SKILL.md"
    },
    "license": "Apache-2.0; see LICENSE"
  },
  "instructions": "# One Time Products with RevenueCat\n\nSell one time products on Android without writing BillingClient glue. The RevenueCat SDK fetches products, launches the purchase, verifies the receipt, and acknowledges or consumes the token for you.\n\n## Phase 1: Scope\n\nAnswer these before touching code.\n\n| Question | Decision |\n|---|---|\n| Is the product consumable or non consumable? | Mark consumables in the RevenueCat dashboard so the SDK calls `consumeAsync` for you. |\n| Do you read access through entitlements or transactions? | Prefer entitlements so access logic stays decoupled from product IDs. |\n| D",
  "cost": {
    "context_tokens": 920
  }
}

Fetch it by URL: GET /api/v1/registry/revenuecat-ai-toolkit-rc-one-time-products/manifest?version=1.0.0

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