Orb

Orb is a billing infrastructure platform providing usage-based pricing, metering, and invoicing for API and cloud products.

Orb publishes 10 APIs on the APIs.io network, including Alerts API, Availability API, Coupons API, and 7 more. Tagged areas include FinOps and Usage-Based Billing.

Orb’s developer surface includes documentation and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub

23.4/100 emerging ▬ flat Agent 17/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemium

10 APIs

FinOps Usage-Based Billing

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 23.4/100 · emerging

Contract Quality 10.7 / 25

Developer Ergonomics 1.9 / 20

Access Clarity 4.7 / 20

Operational Transparency 1.4 / 13

Contract Governance 0.0 / 12

Discoverability 4.6 / 10

Agent readiness — 17/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/orb: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 10

Individual APIs this provider publishes, each with its own machine-readable definition.

Orb Alerts API

The Alerts API from Orb — 3 operation(s) for alerts.

Orb Availability API

The Availability API from Orb — 1 operation(s) for availability.

Orb Coupons API

The Coupons API from Orb — 1 operation(s) for coupons.

Orb Credit Notes API

The Credit Notes API from Orb — 1 operation(s) for credit notes.

Orb Customers API

The Customers API from Orb — 2 operation(s) for customers.

Orb Events API

The Events API from Orb — 1 operation(s) for events.

Orb Invoices API

The Invoices API from Orb — 1 operation(s) for invoices.

Orb Plans API

The Plans API from Orb — 1 operation(s) for plans.

Orb Prices API

The Prices API from Orb — 1 operation(s) for prices.

Orb Subscriptions API

The Subscriptions API from Orb — 2 operation(s) for subscriptions.

Scroll for all 10

Open Collections 12

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

API Collection

OPEN COLLECTION

Orb Alerts API

OPEN COLLECTION

Orb Alerts Availability API

OPEN COLLECTION

Orb Alerts Coupons API

OPEN COLLECTION

Orb Alerts Credit Notes API

OPEN COLLECTION

Orb Alerts Customers API

OPEN COLLECTION

Orb Alerts Events API

OPEN COLLECTION

Orb Alerts Invoices API

OPEN COLLECTION

Orb Alerts Plans API

OPEN COLLECTION

Orb Alerts Prices API

OPEN COLLECTION

Orb Alerts Subscriptions API

OPEN COLLECTION

Orb API

OPEN COLLECTION

Scroll for all 12

Pricing Plans 1

Published pricing tiers and plan structures.

Orb Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Orb Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Orb Finops

FINOPS

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Orb Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Orb Vulnerability Disclosure

disclosure policy published

SECURITY

Orb Trust Center

SOC 2

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Orb Agentic Access

14 operations · 11 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

TrustCenter

TrustCenter

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Company 2

The organization behind the API

LinkedIn

Website

Website

Source (apis.yml)

aid: orb
name: Orb
description: Orb is a billing infrastructure platform providing usage-based pricing, metering, and invoicing for API and cloud
  products.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/orb.png
tags:
- FinOps
- Usage-Based Billing
url: https://raw.githubusercontent.com/api-evangelist/orb/refs/heads/main/apis.yml
created: '2026-03-27'
modified: '2026-05-19'
specificationVersion: '0.23'
apis:
- aid: orb:orb-alerts-api
  name: Orb Alerts API
  description: The Alerts API from Orb — 3 operation(s) for alerts.
  humanURL: https://www.withorb.com/
  tags:
  - Alerts
  properties:
  - type: OpenAPI
    url: openapi/orb-alerts-api-openapi.yml
  - type: Documentation
    url: https://docs.withorb.com/
  - type: GettingStarted
    url: https://docs.withorb.com/
- aid: orb:orb-availability-api
  name: Orb Availability API
  description: The Availability API from Orb — 1 operation(s) for availability.
  humanURL: https://www.withorb.com/
  tags:
  - Availability
  properties:
  - type: OpenAPI
    url: openapi/orb-availability-api-openapi.yml
  - type: Documentation
    url: https://docs.withorb.com/
  - type: GettingStarted
    url: https://docs.withorb.com/
- aid: orb:orb-coupons-api
  name: Orb Coupons API
  description: The Coupons API from Orb — 1 operation(s) for coupons.
  humanURL: https://www.withorb.com/
  tags:
  - Coupons
  properties:
  - type: OpenAPI
    url: openapi/orb-coupons-api-openapi.yml
  - type: Documentation
    url: https://docs.withorb.com/
  - type: GettingStarted
    url: https://docs.withorb.com/
- aid: orb:orb-credit-notes-api
  name: Orb Credit Notes API
  description: The Credit Notes API from Orb — 1 operation(s) for credit notes.
  humanURL: https://www.withorb.com/
  tags:
  - Credit Notes
  properties:
  - type: OpenAPI
    url: openapi/orb-credit-notes-api-openapi.yml
  - type: Documentation
    url: https://docs.withorb.com/
  - type: GettingStarted
    url: https://docs.withorb.com/
- aid: orb:orb-customers-api
  name: Orb Customers API
  description: The Customers API from Orb — 2 operation(s) for customers.
  humanURL: https://www.withorb.com/
  tags:
  - Customers
  properties:
  - type: OpenAPI
    url: openapi/orb-customers-api-openapi.yml
  - type: Documentation
    url: https://docs.withorb.com/
  - type: GettingStarted
    url: https://docs.withorb.com/
- aid: orb:orb-events-api
  name: Orb Events API
  description: The Events API from Orb — 1 operation(s) for events.
  humanURL: https://www.withorb.com/
  tags:
  - Event
  tags_raw:
  - Events
  properties:
  - type: OpenAPI
    url: openapi/orb-events-api-openapi.yml
  - type: Documentation
    url: https://docs.withorb.com/
  - type: GettingStarted
    url: https://docs.withorb.com/
- aid: orb:orb-invoices-api
  name: Orb Invoices API
  description: The Invoices API from Orb — 1 operation(s) for invoices.
  humanURL: https://www.withorb.com/
  tags:
  - Invoices
  properties:
  - type: OpenAPI
    url: openapi/orb-invoices-api-openapi.yml
  - type: Documentation
    url: https://docs.withorb.com/
  - type: GettingStarted
    url: https://docs.withorb.com/
- aid: orb:orb-plans-api
  name: Orb Plans API
  description: The Plans API from Orb — 1 operation(s) for plans.
  humanURL: https://www.withorb.com/
  tags:
  - Plans
  properties:
  - type: OpenAPI
    url: openapi/orb-plans-api-openapi.yml
  - type: Documentation
    url: https://docs.withorb.com/
  - type: GettingStarted
    url: https://docs.withorb.com/
- aid: orb:orb-prices-api
  name: Orb Prices API
  description: The Prices API from Orb — 1 operation(s) for prices.
  humanURL: https://www.withorb.com/
  tags:
  - Prices
  properties:
  - type: OpenAPI
    url: openapi/orb-prices-api-openapi.yml
  - type: Documentation
    url: https://docs.withorb.com/
  - type: GettingStarted
    url: https://docs.withorb.com/
- aid: orb:orb-subscriptions-api
  name: Orb Subscriptions API
  description: The Subscriptions API from Orb — 2 operation(s) for subscriptions.
  humanURL: https://www.withorb.com/
  tags:
  - Subscription
  tags_raw:
  - Subscriptions
  properties:
  - type: OpenAPI
    url: openapi/orb-subscriptions-api-openapi.yml
  - type: Documentation
    url: https://docs.withorb.com/
  - type: GettingStarted
    url: https://docs.withorb.com/
common:
- type: AgenticAccess
  url: agentic-access/orb-agentic-access.yml
- type: TrustCenter
  url: security/orb-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/orb-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/orb-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/orbcorp
- type: LinkedIn
  url: https://www.linkedin.com/company/orbhq
- type: Website
  url: https://www.withorb.com/
- type: Documentation
  url: https://docs.withorb.com/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Work with this as data

Every provider here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for providers

9 MCP tools reach this

find_providersBrowse and filter every provider in the catalog.
get_provider_artifactsEvery artifact this provider publishes, grouped by type.
get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools

Call it yourself

curl for this page

This provider

curl "https://apis.io/api/v1/providers/orb"

All providers

curl "https://apis.io/api/v1/providers?limit=25"

Every operation they expose

curl "https://apis.io/api/v1/providers/orb/operations?limit=25"

How their score was established

curl "https://apis.io/api/v1/providers/orb/evidence"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.