Libraries tagged by metering

Feature entitlements and usage quotas for Laravel SaaS applications. Answers what an account may do and how much of it is left. Billing stays with Cashier.

Go to Download

Credits, plans and quotas for Laravel: sell an allowance per window and top-ups on the side, cap how many seats or projects a plan allows, work out which plan an account is on, and stop a call before it spends what is no longer there. Nothing to do with AI in particular.

Go to Download

RevKeen is a fintech-grade API for payments, subscriptions, invoices, and billing. The canonical production MCP server is available at `https://mcp.revkeen.com/mcp`. **API Version:** `2026-05-01` — Pin with the `RevKeen-Version` header. **Quick Links:** [Full Documentation](https://docs.revkeen.com) | [Authentication](https://docs.revkeen.com/authentication) | [OAuth](https://docs.revkeen.com/oauth) | [SDKs](https://docs.revkeen.com/sdks) | [Webhooks](#webhooks) | [MCP Guide](https://docs.revkeen.com/mcp) ## Authentication Two authentication methods are supported: ### API Keys (recommended for server-to-server REST API integrations) Send your API key in the `x-api-key` header. Get keys from the [Dashboard](https://app.revkeen.com/settings/api-keys). Use `rk_sandbox_*` for test mode and `rk_live_*` for production. ### OAuth 2.1 (recommended for MCP and third-party integrations) Use OAuth 2.1 with PKCE for authorization code flow or client credentials for server-to-server. Tokens are sent via `Authorization: Bearer rk_oauth_*`. See the [OAuth guide](https://docs.revkeen.com/oauth) for setup. - **Authorization Code + PKCE** — user-facing integrations, MCP hosts - **Client Credentials** — server-to-server, automated workflows - **Dynamic Client Registration** — MCP hosts that auto-register ## MCP Integration RevKeen's canonical production MCP server is `https://mcp.revkeen.com/mcp` using Streamable HTTP and OAuth 2.1 bearer tokens. - **Customer launch surface** — read-first customer v1 tools with least-privilege scopes - **Host setup guide** — see the [MCP guide](https://docs.revkeen.com/mcp) for ChatGPT, Claude, and compatible MCP hosts ## API Key Scopes Scopes follow `{resource}:{action}` format (e.g., `invoices:read`, `customers:*`). See [full scope reference](https://docs.revkeen.com/authentication#scopes). | Category | Scope | Description | |----------|-------|-------------| | **Payments & Checkout** | `checkout:read` | View checkout session details | | | `checkout:write` | Create and manage checkout sessions | | | `cart:read` | View cart session details (REV-3511) | | | `cart:write` | Create and mutate cart sessions, line items, add-ons (REV-3511) | | | `payment_links:read` | View payment links | | | `payment_links:write` | Create and manage payment links | | | `charges:read` | View one-time charges | | | `charges:write` | Create one-time charges for customers | | | `payments:read` | View payment details | | | `payments:write` | Capture or void payments | | | `payment_intents:read` | View payment intent details | | | `payment_intents:write` | Create, confirm, capture, and cancel payment intents | | | `setup_intents:read` | View setup intent details | | | `setup_intents:write` | Create, confirm, and cancel setup intents | | | `payment_methods:read` | View saved payment methods | | | `payment_methods:write` | Attach and detach payment methods | | **Billing** | `invoices:read` | View invoices | | | `invoices:write` | Create, update, and manage invoices | | | `subscriptions:read` | View subscriptions | | | `subscriptions:write` | Create, update, pause, and cancel subscriptions | | | `subscription_schedules:read` | View subscription schedule details | | | `subscription_schedules:write` | Create, update, cancel, and release subscription schedules | | | `orders:read` | View orders | | | `orders:write` | Create and manage orders | | | `credit_notes:read` | View credit notes | | | `credit_notes:write` | Create and void credit notes | | **Products & Pricing** | `products:read` | View product catalog | | | `products:write` | Create and update products | | | `prices:read` | View pricing information | | | `prices:write` | Create and update prices | | | `discounts:read` | View discount codes | | | `discounts:write` | Create and manage discount codes | | | `tax_rates:read` | View tax rate configurations | | | `tax_rates:write` | Configure tax rates | | **Usage & Metering** | `meters:read` | View meter configurations | | | `meters:write` | Create and update meters | | | `usage:read` | View usage events and balances | | | `usage:write` | Ingest usage events | | **Customers** | `customers:read` | View customer information | | | `customers:write` | Create and update customers | | | `entitlements:read` | View customer entitlements / feature access | | | `entitlements:write` | Grant and revoke customer entitlements | | | `businesses:read` | View business entities | | | `businesses:write` | Manage business entities | | **Money Movement** | `refunds:read` | View refund details | | | `refunds:write` | Issue refunds | | | `voids:read` | View voided transactions | | | `voids:write` | Void unsettled transactions | | | `disputes:read` | View chargebacks and disputes | | | `disputes:write` | Respond to disputes | | | `payouts:read` | View payout and settlement data | | **Direct Debit** | `mandates:read` | View Direct Debit mandates and collection status | | | `mandates:write` | Create, suspend, reinstate, and cancel Direct Debit mandates | | **Terminal** | `terminal:read` | View terminal devices and card-present payments | | | `terminal:write` | Initiate, cancel, refund, and void terminal payments | | **Data Exchange** | `exports:read` | View and download data exports | | | `exports:write` | Create data exports | | | `imports:read` | View import status and history | | | `imports:write` | Upload and run data imports | | **Analytics & Reporting** | `analytics:read` | View analytics and reports | | | `finance:read` | View financial reports | | **Communication** | `comms:read` | View SMS and email delivery logs | | | `comms:write` | Send SMS, email, and WhatsApp messages | | | `automations:read` | View automations, runs, approvals, and traces | | | `automations:write` | Create automations and trigger runs | | **Integrations** | `apps:read` | View connected applications | | | `apps:write` | Manage app connections | | | `webhooks:read` | View webhook endpoints | | | `webhooks:write` | Manage webhook endpoints | | | `integrations:read` | View integration status and sync logs | | | `integrations:write` | Activate, configure, and sync integrations | | | `events:read` | View webhook event logs | | | `events:write` | Resend and test webhook events | | | `sync:read` | View sync watermarks and state | | | `sync:write` | Update sync watermarks | ## Environments | Environment | Base URL | API Key Prefix | |-------------|----------|----------------| | **Staging** | `https://staging-api.revkeen.com/v2` | `rk_sandbox_*` | | **Production** | `https://api.revkeen.com/v2` | `rk_live_*` | ## Idempotency Include `Idempotency-Key` header (UUID) on mutation requests. Keys are valid for 24 hours. ## Rate Limits | Plan | Requests/min | Burst | |------|-------------|-------| | **Staging** | 100 | 200 | | **Production** | 1000 | 2000 | | **Enterprise** | Custom | Custom |

Go to Download

Enterprise AI spend-governance for Laravel: cross-provider metering, budgets, policy enforcement, chargeback, forecasting, cost-aware routing and FinOps — the governance brick for AI agents. Hooks the official laravel/ai SDK at a single point.

Go to Download

Commercial architecture and knowledge system for packaging, pricing, licensing, metering, and sustaining outcomes delivered through the x-change ecosystem.

Go to Download

Server-side PHP client for the pay-on-chain metering program: PDA derivation, instruction building, account decoding, preflight, and error mapping. Mirrors wasm-client's core surface for servers with no Rust toolchain and no WASM runtime.

Go to Download

Advanced billing engine for Laravel: subscriptions, proration, usage metering, credit notes, and pluggable invoice/tax drivers. PostgreSQL.

Go to Download

Feature-based billing for Laravel with African payment provider support (M-Pesa, Paystack, Flutterwave, Pesapal). Plans, feature gating, usage metering, subscriptions, and invoicing.

Go to Download

Magento2 Defer Javascripts: moves all your javascripts to the very end of your HTML (only on frontend) making search engines and speed metering tools happy.

Go to Download

A metric-agnostic, account-level usage metering and enforcement engine for Laravel with atomic concurrency safety, idempotency, and pluggable pricing/enforcement policies.

Go to Download

Cbox Billing — the billing engine for Laravel — a gateway-agnostic library: catalog, subscriptions, real-time usage metering with hard limits, a double-entry ledger, invoicing, and pricing operations.

Go to Download

Magento2 Defer Javascripts: moves all your javascripts to the very end of your HTML (only on frontend) making search engines and speed metering tools happy.

Go to Download

AI usage metering and billing for Laravel apps (tokens, quotas, credits, billing).

Go to Download

Azure Commercial Marketplace SaaS integration for Laravel applications.

Go to Download

Record billable and observable channel occupancy periods from Resonate webhooks

Go to Download