# Orb

**Canonical:** https://apis.io/providers/orb-billing/  
**Website:** https://www.withorb.com  
**APIs profiled:** 11

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.

## Kin Score — 36.9 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 36.9).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 53.7 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 36.8 |
| Access Clarity | 36.8 |

## Agent readiness — 21.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | documented |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Paid · Self-serve signup — onboarding: self-serve, pricing: paid, trial: no (confidence: high).

## APIs (11)

- **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.

## Agentic access (1)

- **Orb Billing Agentic Access** — 51 operations · 27 acting · 1 human-in-the-loop

## Security (4)

- **Orb Billing Authentication** — http · 1 scheme
- **Orb Billing Domain Security** — TLSv1.3 · HSTS · DMARC
- **Orb Billing Vulnerability Disclosure** — disclosure policy published
- **Orb Billing Trust Center** — SOC 2

## Plans (1)

- **Orb Billing Plans Pricing**

## Tags

Billing, Usage-Based Billing, Metering, Subscription, Invoicing, FinOps

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/orb-billing/). Scores are computed from the provider's own public artifacts under a published rubric.