# Hyperline

**Canonical:** https://apis.io/providers/hyperline/  
**Website:** https://www.hyperline.co  
**APIs profiled:** 7

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.

## Kin Score — 36.3 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 36.3).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 51.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 21.1 |
| Developer Ergonomics | 23.8 |
| Commercial Clarity | 47.4 |
| Access Clarity | 47.4 |

Regulatory layer — **Payments**: 26.6 (matched via tags).

## 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 (free trial) · Open access — onboarding: open, pricing: paid, trial: yes (confidence: high).

## APIs (7)

- **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.

## Agentic access (1)

- **Hyperline Agentic Access** — 42 operations · 27 acting

## Security (3)

- **Hyperline Authentication** — http · 1 scheme
- **Hyperline Domain Security** — TLSv1.3 · HSTS · DMARC
- **Hyperline Trust Center** — ISO 27001, GDPR

## Plans (1)

- **Hyperline Plans Pricing**

## Tags

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

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