Yuno

Yuno is a global payment orchestration platform that lets merchants connect to 1,000+ payment methods, PSPs, anti-fraud, and payout providers through a single API and SDK. Its unified checkout, smart routing, and no-code workflows consolidate a company's payment stack, reduce processing fees, and improve approval rates across markets. Yuno exposes payments, checkout sessions, customers, subscriptions, payouts, disputes, reports, banking connectivity, and a PCI Proxy, plus Web/iOS/Android/React Native/Flutter checkout SDKs, an official MCP server, and an agent toolkit for building agentic payment flows. Yuno is certified to PCI DSS v4.0, SOC 2 Type 2, ISO/IEC 27001, ISO/IEC 27701, GDPR, and is a recognized Visa Service Provider.

Yuno publishes 1 API on the APIs.io network: Payments API. Tagged areas include Company, Payments, Payment Orchestration, Fintech, and Checkout.

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

Yuno’s developer surface includes documentation, API reference, getting-started guide, signup flow, engineering blog, changelog, authentication, and 29 more developer resources.

🌐 Visit website 📡 Source on GitHub

60.0/100 strong ▬ flat Agent 65/100 agent native Full breakdown ↓
scored 2026-07-27 · rubric v0.5

AccessSelf serve

1 APIs 1 MCP Servers

CompanyPaymentsPayment OrchestrationFintechCheckoutPayoutsSubscriptionsAPI

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 60.0/100 · strong

Contract Quality 15.1 / 25

Developer Ergonomics 15.2 / 20

Commercial Clarity 10.0 / 20

Operational Transparency 7.2 / 13

Governance 0.0 / 12

Discoverability 9.3 / 10

Agent readiness — 65/100 · agent native

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 15

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 9 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 6 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

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/yuno: 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 1

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

Yuno Payments API

Core Yuno Payments API — customers, checkout sessions, payments, refunds, captures, subscriptions, payouts, disputes, reports, banking connectivity and PCI Proxy. Header API-key...

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Get Started 4

Portal, sign-up, and the first successful call

DeveloperPortal

GettingStarted

SignUp

Sandbox

Documentation 3

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

OpenAPI

OpenAPI

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

MCPServer

MCPServer

AgentSkill

AgentSkill

Design & Contract 8

Pagination, idempotency, versioning, errors, and events

Conventions

Idempotency

ErrorCatalog

Lifecycle

Conformance

Components

DataModel

Webhooks

Scroll for all 8

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

Packages

SDKs

DeclineCodes

Access & Security 6

Authentication, authorization, and security posture

DomainSecurity

TrustCenter

Compliance

Security

Authentication

VulnerabilityDisclosure

VulnerabilityDisclosure

Operate 3

Status, limits, changes, and where to get help

StatusPage

StatusPage

ChangeLog

ChangeLog

ChangeLog

ChangeLog

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Overlay

Overlay

Source (apis.yml)

aid: yuno
name: Yuno
description: Yuno is a global payment orchestration platform that lets merchants connect to 1,000+ payment methods, PSPs,
  anti-fraud, and payout providers through a single API and SDK. Its unified checkout, smart routing, and no-code workflows
  consolidate a company's payment stack, reduce processing fees, and improve approval rates across markets. Yuno exposes payments,
  checkout sessions, customers, subscriptions, payouts, disputes, reports, banking connectivity, and a PCI Proxy, plus Web/iOS/Android/React
  Native/Flutter checkout SDKs, an official MCP server, and an agent toolkit for building agentic payment flows. Yuno is certified
  to PCI DSS v4.0, SOC 2 Type 2, ISO/IEC 27001, ISO/IEC 27701, GDPR, and is a recognized Visa Service Provider.
url: https://raw.githubusercontent.com/api-evangelist/yuno/refs/heads/main/apis.yml
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://y.uno/favicon.ico
x-type: company
x-source: vc-portfolio
x-backed-by:
- a16z
- tiger-global
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Payments
- Payment Orchestration
- Fintech
- Checkout
- Payouts
- Subscriptions
- API
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
apis:
- name: Yuno Payments API
  description: Core Yuno Payments API — customers, checkout sessions, payments, refunds, captures, subscriptions, payouts,
    disputes, reports, banking connectivity and PCI Proxy. Header API-key auth with X-Idempotency-Key idempotency.
  humanURL: https://docs.y.uno/reference/getting-started/api-reference-overview
  baseURL: https://api.y.uno
  image: https://y.uno/favicon.ico
  tags:
  - Payments
  - Payment Orchestration
  - Checkout
  properties:
  - type: OpenAPI
    url: openapi/yuno-openapi-original.json
  - type: Documentation
    url: https://docs.y.uno/docs/your-payment-operative-system
  - type: APIReference
    url: https://docs.y.uno/reference/getting-started/api-reference-overview
common:
- type: DomainSecurity
  url: security/yuno-domain-security.yml
- type: Website
  url: https://y.uno
- type: DeveloperPortal
  url: https://docs.y.uno/
- type: Documentation
  url: https://docs.y.uno/docs/your-payment-operative-system
- type: APIReference
  url: https://docs.y.uno/reference/getting-started/api-reference-overview
- type: GettingStarted
  url: https://docs.y.uno/reference/getting-started
- type: SignUp
  url: https://dashboard.y.uno
- type: Blog
  url: https://y.uno/blog
- type: GitHubOrganization
  url: https://github.com/yuno-payments
- type: StatusPage
  url: https://status.y.uno
- type: TermsOfService
  url: https://y.uno/terms-and-conditions
- type: PrivacyPolicy
  url: https://y.uno/privacy
- type: TrustCenter
  url: https://security.y.uno/
- type: Compliance
  url: https://security.y.uno/
- type: Security
  url: https://security.y.uno/
- type: ChangeLog
  url: https://docs.y.uno/changelog
- type: OpenAPI
  url: openapi/yuno-openapi-original.json
- type: LLMsTxt
  url: llms/yuno-llms.txt
- type: Packages
  url: packages/yuno-packages.yml
- type: SDKs
  url: packages/yuno-packages.yml
- type: MCPServer
  url: mcp/yuno-mcp.yml
- type: Authentication
  url: authentication/yuno-authentication.yml
- type: Conventions
  url: conventions/yuno-conventions.yml
- type: Idempotency
  url: conventions/yuno-conventions.yml
- type: ErrorCatalog
  url: errors/yuno-problem-types.yml
- type: DeclineCodes
  url: errors/yuno-decline-codes.yml
- type: Lifecycle
  url: lifecycle/yuno-lifecycle.yml
- type: Sandbox
  url: sandbox/yuno-sandbox.yml
- type: Conformance
  url: conformance/yuno-conformance.yml
- type: VulnerabilityDisclosure
  url: security/yuno-vulnerability-disclosure.yml
- type: Components
  url: components/yuno-components.yml
- type: DataModel
  url: data-model/yuno-data-model.yml
- type: Webhooks
  url: asyncapi/yuno-webhooks.yml
- type: Overlay
  url: overlays/yuno-openapi-overlay.yaml
- type: AgentSkill
  url: skills/_index.yml
- type: ChangeLog
  url: changelog/yuno-changelog.yml
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 23
  pass: local-v1

Yuno

Kin Score

APIs 1

Yuno Payments API

MCP Servers 1

yuno-mcp.yml

Event Specifications 1

Yuno Webhooks

Security Posture 4

Yuno Authentication

Yuno Domain Security

Yuno Vulnerability Disclosure

Yuno Trust Center

Resources