Hyperline website screenshot

Hyperline

Hyperline is a usage-based billing and subscription platform that helps B2B SaaS companies manage their entire quote-to-cash workflow. Its REST API covers customers, a product and plan catalog, subscriptions, real-time usage and event ingestion, invoicing, payments, credit notes, and webhooks for hybrid pricing models combining subscription and metered charges.

Hyperline publishes 7 APIs on the APIs.io network, including Billable Events API, Customers API, Invoices API, and 4 more. Tagged areas include Billing, Subscriptions, Usage-Based, Metering, and Payments.

Hyperline’s developer surface includes authentication, documentation, engineering blog, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub
35.4/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessPaidOpenFree trial⚡ Free to try
7 APIs
BillingSubscriptionsUsage-BasedMeteringPaymentsInvoicingFinOps

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 35.4/100 · thin
Contract Quality 12.9 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 9.5 / 20
Operational Transparency 2.7 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 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
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/hyperline: 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 7

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

Hyperline Billable Events API

The Billable Events API from Hyperline — 2 operation(s) for billable events.

Hyperline Customers API

The Customers API from Hyperline — 5 operation(s) for customers.

Hyperline Invoices API

The Invoices API from Hyperline — 6 operation(s) for invoices.

Hyperline Payments API

The Payments API from Hyperline — 2 operation(s) for payments.

Hyperline Products API

The Products API from Hyperline — 3 operation(s) for products.

Hyperline Subscriptions API

The Subscriptions API from Hyperline — 6 operation(s) for subscriptions.

Hyperline Webhooks API

The Webhooks API from Hyperline — 3 operation(s) for webhooks.

Scroll for all 7

Open Collections 1

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

Hyperline API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Hyperline Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Hyperline Rate Limits

2 limits

RATE LIMITS

FinOps 1

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

Hyperline Finops

FINOPS

Security Posture 3

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

Hyperline Authentication

http · 1 scheme

SECURITY

Hyperline Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Hyperline Trust Center

ISO 27001, GDPR

SECURITY

Agentic Access 1

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

Hyperline Agentic Access

42 operations · 27 acting

42 operations · 27 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

Access & Security 3

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: hyperline
url: https://raw.githubusercontent.com/api-evangelist/hyperline/refs/heads/main/apis.yml
name: Hyperline
kind: company
description: Hyperline is a usage-based billing and subscription platform that helps B2B SaaS companies manage their entire
  quote-to-cash workflow. Its REST API covers customers, a product and plan catalog, subscriptions, real-time usage and event
  ingestion, invoicing, payments, credit notes, and webhooks for hybrid pricing models combining subscription and metered
  charges.
accessModel:
  pricing: paid
  onboarding: open
  trial: true
  try_now: true
  public: true
  label: Paid (free trial) · Open access
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/hyperline.png
tags:
- Billing
- Subscriptions
- Usage-Based
- Metering
- Payments
- Invoicing
- FinOps
created: '2026-06-20'
modified: '2026-06-20'
specificationVersion: '0.19'
apis:
- aid: hyperline:hyperline-billable-events-api
  name: Hyperline Billable Events API
  description: The Billable Events API from Hyperline — 2 operation(s) for billable events.
  humanURL: https://docs.hyperline.co/api-reference/endpoints/customers
  baseURL: https://api.hyperline.co/v1
  tags:
  - Billable Events
  properties:
  - type: OpenAPI
    url: openapi/hyperline-billable-events-api-openapi.yml
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/docs/getting-started
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/customers
  - type: PostmanCollection
    url: collections/hyperline.postman_collection.json
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/products
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/products
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/subscriptions
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/subscriptions
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/billable-events
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/billable-events
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/invoices
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/invoices
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/payments
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/payments
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/webhooks
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/webhooks
- aid: hyperline:hyperline-customers-api
  name: Hyperline Customers API
  description: The Customers API from Hyperline — 5 operation(s) for customers.
  humanURL: https://docs.hyperline.co/api-reference/endpoints/customers
  baseURL: https://api.hyperline.co/v1
  tags:
  - Customers
  properties:
  - type: OpenAPI
    url: openapi/hyperline-customers-api-openapi.yml
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/docs/getting-started
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/customers
  - type: PostmanCollection
    url: collections/hyperline.postman_collection.json
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/products
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/products
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/subscriptions
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/subscriptions
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/billable-events
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/billable-events
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/invoices
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/invoices
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/payments
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/payments
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/webhooks
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/webhooks
- aid: hyperline:hyperline-invoices-api
  name: Hyperline Invoices API
  description: The Invoices API from Hyperline — 6 operation(s) for invoices.
  humanURL: https://docs.hyperline.co/api-reference/endpoints/customers
  baseURL: https://api.hyperline.co/v1
  tags:
  - Invoices
  properties:
  - type: OpenAPI
    url: openapi/hyperline-invoices-api-openapi.yml
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/docs/getting-started
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/customers
  - type: PostmanCollection
    url: collections/hyperline.postman_collection.json
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/products
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/products
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/subscriptions
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/subscriptions
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/billable-events
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/billable-events
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/invoices
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/invoices
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/payments
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/payments
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/webhooks
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/webhooks
- aid: hyperline:hyperline-payments-api
  name: Hyperline Payments API
  description: The Payments API from Hyperline — 2 operation(s) for payments.
  humanURL: https://docs.hyperline.co/api-reference/endpoints/customers
  baseURL: https://api.hyperline.co/v1
  tags:
  - Payments
  properties:
  - type: OpenAPI
    url: openapi/hyperline-payments-api-openapi.yml
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/docs/getting-started
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/customers
  - type: PostmanCollection
    url: collections/hyperline.postman_collection.json
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/products
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/products
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/subscriptions
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/subscriptions
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/billable-events
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/billable-events
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/invoices
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/invoices
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/payments
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/payments
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/webhooks
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/webhooks
- aid: hyperline:hyperline-products-api
  name: Hyperline Products API
  description: The Products API from Hyperline — 3 operation(s) for products.
  humanURL: https://docs.hyperline.co/api-reference/endpoints/customers
  baseURL: https://api.hyperline.co/v1
  tags:
  - Products
  properties:
  - type: OpenAPI
    url: openapi/hyperline-products-api-openapi.yml
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/docs/getting-started
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/customers
  - type: PostmanCollection
    url: collections/hyperline.postman_collection.json
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/products
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/products
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/subscriptions
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/subscriptions
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/billable-events
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/billable-events
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/invoices
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/invoices
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/payments
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/payments
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/webhooks
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/webhooks
- aid: hyperline:hyperline-subscriptions-api
  name: Hyperline Subscriptions API
  description: The Subscriptions API from Hyperline — 6 operation(s) for subscriptions.
  humanURL: https://docs.hyperline.co/api-reference/endpoints/customers
  baseURL: https://api.hyperline.co/v1
  tags:
  - Subscriptions
  properties:
  - type: OpenAPI
    url: openapi/hyperline-subscriptions-api-openapi.yml
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/docs/getting-started
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/customers
  - type: PostmanCollection
    url: collections/hyperline.postman_collection.json
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/products
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/products
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/subscriptions
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/subscriptions
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/billable-events
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/billable-events
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/invoices
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/invoices
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/payments
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/payments
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/webhooks
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/webhooks
- aid: hyperline:hyperline-webhooks-api
  name: Hyperline Webhooks API
  description: The Webhooks API from Hyperline — 3 operation(s) for webhooks.
  humanURL: https://docs.hyperline.co/api-reference/endpoints/customers
  baseURL: https://api.hyperline.co/v1
  tags:
  - Webhooks
  properties:
  - type: OpenAPI
    url: openapi/hyperline-webhooks-api-openapi.yml
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/docs/getting-started
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/customers
  - type: PostmanCollection
    url: collections/hyperline.postman_collection.json
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/products
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/products
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/subscriptions
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/subscriptions
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/billable-events
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/billable-events
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/invoices
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/invoices
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/payments
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/payments
  - type: Documentation
    url: https://docs.hyperline.co/api-reference/endpoints/webhooks
  - type: APIReference
    url: https://docs.hyperline.co/api-reference/endpoints/webhooks
common:
- type: AgenticAccess
  url: agentic-access/hyperline-agentic-access.yml
- type: TrustCenter
  url: security/hyperline-trust-center.yml
- type: DomainSecurity
  url: security/hyperline-domain-security.yml
- type: Authentication
  url: authentication/hyperline-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/hyperline
- type: Website
  url: https://www.hyperline.co
- type: Documentation
  url: https://docs.hyperline.co
- type: Plans
  url: plans/hyperline-plans-pricing.yml
- type: RateLimits
  url: rate-limits/hyperline-rate-limits.yml
- type: FinOps
  url: finops/hyperline-finops.yml
- url: https://hyperline.co/resources/blog
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com