Payt
Payt (Payt B.V.) is a Netherlands-based accounts receivable management platform that automates invoice follow-up and payment collection while keeping personal contact with customers. It syncs invoices and debtor data from accounting and ERP systems, then runs the collections workflow: automated reminders, flexible payment plans, debt-collection cases, creditworthiness checks, electronic (UBL/Peppol) invoicing, a self-service debtor portal, and payment reconciliation. Payt exposes a REST Customer API (api.paytsoftware.com, v1) with OAuth 2.0 authorization, cursor pagination and incremental sync, a rich signed-webhook event surface, and bulk CSV/XML/JSON imports. Surfaced as a portfolio company of Partech and enriched into the API Evangelist network.
Real signal across most facets with visible, nameable gaps — the contract exists but is thin, or the portal is good while governance and commercial terms are absent.
API Evangelist profiles Payt the way a machine reads it — 45 machine-readable artifacts across 1 API, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Payt scores 49.4/100 (developing), with a separate agent-readiness read of 32/100 (agent ready). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Kin Score
This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance. Every facet and dimension name is a link: it opens that measurement's page on APIs.io, where the rating runs across the whole catalog — the exact checks that feed it, how every profiled provider distributes on it, and who is at the top of it.
Kin Score
How this is scored →scored 2026-09-08 · rubric v0.20.0
Put this on your own site. The badge is drawn live from Payt's current Kin Score — paste it once and it updates itself every time the score is recomputed. It follows your visitor's light or dark setting, and it links back here so anyone who sees it can read the full breakdown.
<!-- Kin Score · API Evangelist -->
<a href="https://providers.apievangelist.com/providers/payt/"
title="Payt on API Evangelist — API profile and Kin Score">
<img src="https://apis.io/badge/payt.svg"
alt="Payt Kin Score — API readiness rating by API Evangelist" width="150" height="150" loading="lazy">
</a>[](https://providers.apievangelist.com/providers/payt/)<!-- Kin Score · API Evangelist -->
<a href="https://providers.apievangelist.com/providers/payt/"
title="Payt on API Evangelist — API profile and Kin Score">
<img src="https://apis.io/badge/payt/card.svg"
alt="Payt Kin Score — API readiness rating by API Evangelist" width="340" height="120" loading="lazy">
</a>More shapes, themes and sizes → · Score as JSON · How badges work
How we profile Payt
Each block below is one kind of artifact we hold for Payt. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
APIs 20
Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.
Individual APIs this provider publishes, each with its own machine-readable definition.
Payt administrations API
Operations about administrations
Payt companies API
Operations about companies
Payt contacts API
Operations about contacts
Payt credit_cases API
Operations about credit_cases
Payt debtors API
Operations about debtors
Payt files API
Operations about files
Payt invoices API
Operations about invoices
Payt messages API
Operations about messages
Payt notes API
Operations about notes
Payt notifications API
Operations about notifications
Payt order_lines API
Operations about order_lines
Payt orders API
Operations about orders
Payt payment_conditions API
Operations about payment_conditions
Payt payment_plans API
Operations about payment_plans
Payt payments API
Operations about payments
Payt psp_mandates API
Operations about psp_mandates
Payt psp_transactions API
Operations about psp_transactions
Payt sign_up API
Operations about sign_ups
Payt tasks API
Operations about tasks
Payt vat_rates API
Operations about vat_rates
Scroll within the panel for all 20 ·
Open Collections 21
Open, tool-agnostic collections carry the same runnable value as Postman without locking you to one client — the portable, forkable form of the same exercise.
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
API Collection
OPEN COLLECTIONAPI Endpoints administrations API
OPEN COLLECTIONAPI Endpoints administrations companies API
OPEN COLLECTIONAPI Endpoints administrations contacts API
OPEN COLLECTIONAPI Endpoints administrations credit_cases API
OPEN COLLECTIONAPI Endpoints administrations debtors API
OPEN COLLECTIONAPI Endpoints administrations files API
OPEN COLLECTIONAPI Endpoints administrations invoices API
OPEN COLLECTIONAPI Endpoints administrations messages API
OPEN COLLECTIONAPI Endpoints administrations notes API
OPEN COLLECTIONAPI Endpoints administrations notifications API
OPEN COLLECTIONAPI Endpoints administrations order_lines API
OPEN COLLECTIONAPI Endpoints administrations orders API
OPEN COLLECTIONAPI Endpoints administrations payment_conditions API
OPEN COLLECTIONAPI Endpoints administrations payment_plans API
OPEN COLLECTIONAPI Endpoints administrations payments API
OPEN COLLECTIONAPI Endpoints administrations psp_mandates API
OPEN COLLECTIONAPI Endpoints administrations psp_transactions API
OPEN COLLECTIONAPI Endpoints administrations sign_up API
OPEN COLLECTIONAPI Endpoints administrations tasks API
OPEN COLLECTIONAPI Endpoints administrations vat_rates API
OPEN COLLECTIONScroll within the panel for all 21 ·
Security Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Scopes 1
OAuth scopes are the vocabulary of least-privilege access. Profiling them shows exactly what an integration — or an agent acting on a user's behalf — is allowed to do.
OAuth scopes governing access to this provider's APIs.
Agentic Access 1
An x-agentic-access contract marks which operations are safe for an agent to run on its own and which need a human in the loop. It is the difference between an API an agent can use and one it can use safely.
Recommended x-agentic-access execution contracts for AI agents.
Resources
Every other property we hold for Payt — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Get Started 3
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 4
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 7
Pagination, idempotency, versioning, errors, and events
Scroll within the panel for all 7 ·
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 3
Authentication, authorization, and security posture
Operate 4
Status, limits, changes, and where to get help
Commercial 3
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Other 1
Properties that don't map to a standard resource type
← All providers · Data indexed from github.com/api-evangelist/payt · machine-readable index on apis.io
This is an independent, third-party profile of Payt, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.
Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.
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you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.