Orb
Orb is a usage-based billing and metering platform that turns product usage events into subscriptions, prices, invoices, and credits. The Orb REST API ingests metered events, models customers, plans, prices, and items, runs subscriptions, and automates invoicing, credit ledgers, alerts, and webhooks for modern revenue teams.
Orb publishes 11 APIs on the APIs.io network, including Alerts API, Coupons API, Credits API, and 8 more. Tagged areas include Billing, Usage-Based Billing, Metering, Subscriptions, and Invoicing.
Orb’s developer surface includes authentication, documentation, and 10 more developer resources.
Kin Score
APIs 11
Individual APIs this provider publishes, each with its own machine-readable definition.
Orb Alerts API
The Alerts API from Orb — 4 operation(s) for alerts.
Orb Coupons API
The Coupons API from Orb — 2 operation(s) for coupons.
Orb Credits API
The Credits API from Orb — 4 operation(s) for credits.
Orb Customers API
The Customers API from Orb — 5 operation(s) for customers.
Orb Events API
The Events API from Orb — 4 operation(s) for events.
Orb Invoices API
The Invoices API from Orb — 4 operation(s) for invoices.
Orb Items API
The Items API from Orb — 2 operation(s) for items.
Orb Metrics API
The Metrics API from Orb — 2 operation(s) for metrics.
Orb Plans API
The Plans API from Orb — 2 operation(s) for plans.
Orb Prices API
The Prices API from Orb — 3 operation(s) for prices.
Orb Subscriptions API
The Subscriptions API from Orb — 5 operation(s) for subscriptions.
Scroll for all 11
Open Collections 1
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Orb API
OPEN COLLECTIONPricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Orb Billing Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Orb Billing Finops
FINOPSSecurity Posture 4
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 4
Authentication, authorization, and security posture
Operate 1
Status, limits, changes, and where to get help
Commercial 2
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API