Billogram

Billogram is a Swedish (Billogram AB) Invoice-to-Cash orchestration platform that automates the full invoicing and payment lifecycle for businesses with recurring revenue - invoice creation and distribution, digital payment collection, customer communication, reminders and dunning, e-invoice registration, and financial reporting. It serves the insurance, telecom, mobility/parking, and energy sectors. The Billogram v2 API is a RESTful JSON API (HTTP Basic Auth) covering customers, billograms/invoices, items, credit invoices, payment sources, offers, billing tabs, reports, and HMAC-signed webhooks, with separate sandbox and production environments and an official Python client library.

Billogram is listed with 1 API on the APIs.io network. Tagged areas include Company, Applicative Saas, Invoicing, Billing, and Payments.

The Billogram catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Billogram’s developer surface includes documentation, API reference, getting-started guide, engineering blog, and 10 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

37.5/100 thin ▬ flat Agent 23/100 agent aware Front door AI 2/6 trace saas Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

1 API

Company Applicative Saas Invoicing Billing PaymentsInvoice-to-CashE-Invoicing Fintech Webhook

Kin Score

Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0

Composite quality — 37.5/100 · thin

Contract Quality 8.3 / 21

Developer Ergonomics 11.3 / 17

Access Clarity 2.9 / 17

Operational Transparency 2.0 / 11

Contract Governance 0.5 / 10

Discoverability 6.2 / 9

Regulatory Posture 3.6 / 15

Agent readiness — 23/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 6 / 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 Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Payments regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented)
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link

9 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Access Clarity scores 17.1 — up to +16.6 composite points
Contract Quality scores 39.0 — up to +15.3 composite points
Contract Governance scores 4.5 — up to +11.5 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/billogram/apis.yml: open an issue on github.com/api-evangelist/billogram to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Markets this provider is in provisional

The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.

Market	Position	Depth	Registered MCP server	Declares compatibility
Nordic Financial Registers (Swedish and Norwegian licence registers)	regulated	28.8 (thin)	-	-
EU/EEA Payment and E-Money Institutions (PSD2 passports)	regulated	28.8 (thin)	-	-

Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.

APIs 1

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

Billogram v2 API

RESTful JSON API for managing invoices (billograms), customers, items, credit invoices, payment sources, offers, billing tabs, reports, and webhooks. Authenticated with HTTP Bas...

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Billogram Webhooks

ASYNCAPI

Security Posture 3

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

Billogram Authentication

http · 1 scheme

SECURITY

Billogram Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Billogram Vulnerability Disclosure

Hackerone

SECURITY

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

Login

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

Build 2

SDKs, sample code, and the tooling you integrate with

Packages

Packages

SDKs

SDKs

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

VulnerabilityDisclosure

VulnerabilityDisclosure

Security

Security

Commercial 1

Pricing, plans, and the legal terms of use

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: billogram
name: Billogram
description: Billogram is a Swedish (Billogram AB) Invoice-to-Cash orchestration platform that automates the full invoicing
  and payment lifecycle for businesses with recurring revenue - invoice creation and distribution, digital payment collection,
  customer communication, reminders and dunning, e-invoice registration, and financial reporting. It serves the insurance,
  telecom, mobility/parking, and energy sectors. The Billogram v2 API is a RESTful JSON API (HTTP Basic Auth) covering customers,
  billograms/invoices, items, credit invoices, payment sources, offers, billing tabs, reports, and HMAC-signed webhooks, with
  separate sandbox and production environments and an official Python client library.
url: https://raw.githubusercontent.com/api-evangelist/billogram/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- partech
x-tier: stub
x-tier-reason: portfolio-lead
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - authentication
  - security
  - sandbox
  generated: '2026-11-06'
  method: derived
image: https://billogram.com/static/images/billogram-og_@2X.png
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-18'
x-docs-platform: scalar
x-docs-platform-confidence: high
x-docs-platform-checked: 2026-09-20
tags:
- Company
- Applicative Saas
- Invoicing
- Billing
- Payments
- Invoice-to-Cash
- E-Invoicing
- Fintech
- Webhook
tags_raw:
- Company
- Applicative Saas
- Invoicing
- Billing
- Payments
- Invoice-to-Cash
- E-invoicing
- Fintech
- Webhooks
apis:
- name: Billogram v2 API
  description: RESTful JSON API for managing invoices (billograms), customers, items, credit invoices, payment sources, offers,
    billing tabs, reports, and webhooks. Authenticated with HTTP Basic Auth (API User ID + API Key) over HTTPS, with separate
    sandbox and production environments.
  humanURL: https://docs.billogram.com/
  baseURL: https://billogram.com/api/v2
  tags:
  - Invoicing
  - Billing
  - Payments
  properties:
  - type: Authentication
    url: authentication/billogram-authentication.yml
  - type: Conventions
    url: conventions/billogram-conventions.yml
  - type: ErrorCatalog
    url: errors/billogram-problem-types.yml
  - type: Webhooks
    url: asyncapi/billogram-webhooks.yml
  - type: Sandbox
    url: sandbox/billogram-sandbox.yml
  - type: Lifecycle
    url: lifecycle/billogram-lifecycle.yml
  - type: Conformance
    url: conformance/billogram-conformance.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://billogram.com/
- type: DeveloperPortal
  url: https://docs.billogram.com/
- type: Documentation
  url: https://docs.billogram.com/
- type: APIReference
  url: https://docs.billogram.com/api
- type: GettingStarted
  url: https://docs.billogram.com/guides/getting-started
- type: Blog
  url: https://billogram.com/blog
- type: Login
  url: https://billogram.com/login
- type: PrivacyPolicy
  url: https://billogram.com/privacy
- type: Packages
  url: packages/billogram-packages.yml
- type: SDKs
  url: packages/billogram-packages.yml
- type: LLMsTxt
  url: llms/billogram-llms.txt
- type: DomainSecurity
  url: security/billogram-domain-security.yml
- type: VulnerabilityDisclosure
  url: security/billogram-vulnerability-disclosure.yml
- type: Security
  url: security/billogram-vulnerability-disclosure.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

Billogram API — frequently asked questions

Does Billogram have an API?

Yes. APIs.io lists 1 API from Billogram, including Billogram v2 API.

How do I authenticate with the Billogram API?

Billogram uses bearer-token authentication (http · 1 scheme). The details are profiled on APIs.io as Billogram Authentication.

Is the Billogram API ready for AI agents?

Billogram has a Kin Score of 37.5 out of 100 (thin) and an Agent Readiness score of 22.7 (agent-aware), scored by API Evangelist on 2026-11-06.

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