Ualá

Ualá is a Latin American fintech founded in Argentina in 2017 by Pierpaolo Barbieri, offering a neobank super-app (prepaid and credit cards, savings, investments, loans, insurance) in Argentina and Mexico, where it operates as Ualá ABC through the acquired ABC Capital bank. Its merchant arm, Ualá Bis, provides payments acceptance — link de pago, POS, e-commerce plugins, and the API Cobros Online v2, a checkout API with hosted payment links, order retrieval and listing, refunds, and webhook status notifications, documented at developers.ualabis.com.ar with official Node.js and PHP SDKs.

Ualá publishes 3 APIs on the APIs.io network: Authentication API, Orders API, and Refunds API. Tagged areas include Company, Fintech, Payments, Banking, and Neobank.

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

Ualá’s developer surface includes documentation, API reference, getting-started guide, engineering blog, support, pricing, changelog, and 22 more developer resources.

🌐 Visit website 📡 Source on GitHub
55.3/100 developing ▬ flat Agent 71/100 agent native Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
3 APIs 1 MCP Servers
CompanyFintechPaymentsBankingNeobankCheckoutEcommerceArgentinaMexico

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 55.3/100 · developing
Contract Quality 16.8 / 25
Developer Ergonomics 16.1 / 20
Commercial Clarity 8.9 / 20
Operational Transparency 3.8 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 71/100 · agent native
Machine-Readable Contract 18 / 18
Agentic Access Contract 15 / 15
MCP Server 12 / 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 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/ual: 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 3

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

Ualá Authentication API

The Authentication API from Ualá — 1 operation(s) for authentication.

Ualá Orders API

Payment orders (checkout)

Ualá Refunds API

Refunds of approved orders

MCP Servers 1

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

ual-mcp.yml

MCP SERVER

Event Specifications 1

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

Ual Webhooks

ASYNCAPI

Security Posture 2

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

Ual Authentication

http · 1 scheme

SECURITY

Ual Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

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

Ual Agentic Access

5 operations · 3 acting

5 operations · 3 acting

AGENTIC

Resources

Get Started 4

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 Login
Login
 Sandbox
Sandbox

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess
 MCPServer
MCPServer
 LLMsTxt
LLMsTxt
 AgentSkill
AgentSkill

Design & Contract 7

Pagination, idempotency, versioning, errors, and events

Webhooks
Webhooks
 ErrorCatalog
ErrorCatalog
 Conventions
Conventions
 Lifecycle
Lifecycle
 Conformance
Conformance
 DataModel
DataModel
 Components
Components

Scroll for all 7

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 Packages
Packages
 SDKs
SDKs

Access & Security 2

Authentication, authorization, and security posture

Authentication
Authentication
 DomainSecurity
DomainSecurity

Operate 2

Status, limits, changes, and where to get help

Support
Support
 ChangeLog
ChangeLog

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: ual
name: Ualá
description: Ualá is a Latin American fintech founded in Argentina in 2017 by Pierpaolo Barbieri, offering a neobank super-app
  (prepaid and credit cards, savings, investments, loans, insurance) in Argentina and Mexico, where it operates as Ualá ABC
  through the acquired ABC Capital bank. Its merchant arm, Ualá Bis, provides payments acceptance — link de pago, POS, e-commerce
  plugins, and the API Cobros Online v2, a checkout API with hosted payment links, order retrieval and listing, refunds, and
  webhook status notifications, documented at developers.ualabis.com.ar with official Node.js and PHP SDKs.
url: https://raw.githubusercontent.com/api-evangelist/ual/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- bessemer-venture-partners
x-tier: enriched
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 23
  pass: local-v1
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
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Fintech
- Payments
- Banking
- Neobank
- Checkout
- Ecommerce
- Argentina
- Mexico
image: https://developers.ualabis.com.ar/logo-large.png
apis:
- aid: ual:ual-authentication-api
  name: Ualá Authentication API
  description: The Authentication API from Ualá — 1 operation(s) for authentication.
  humanURL: https://developers.ualabis.com.ar/v2
  baseURL: https://checkout.developers.ar.ua.la/v2/api
  tags:
  - Authentication
  properties:
  - type: OpenAPI
    url: openapi/ual-authentication-api-openapi.yml
  - type: Documentation
    url: https://developers.ualabis.com.ar/v2
  - type: Documentation
    url: https://developers.ualabis.com.ar/v2/authentication/create
- aid: ual:ual-orders-api
  name: Ualá Orders API
  description: Payment orders (checkout)
  humanURL: https://developers.ualabis.com.ar/v2
  baseURL: https://checkout.developers.ar.ua.la/v2/api
  tags:
  - Orders
  properties:
  - type: OpenAPI
    url: openapi/ual-orders-api-openapi.yml
  - type: Documentation
    url: https://developers.ualabis.com.ar/v2
  - type: Documentation
    url: https://developers.ualabis.com.ar/v2/authentication/create
- aid: ual:ual-refunds-api
  name: Ualá Refunds API
  description: Refunds of approved orders
  humanURL: https://developers.ualabis.com.ar/v2
  baseURL: https://checkout.developers.ar.ua.la/v2/api
  tags:
  - Refunds
  properties:
  - type: OpenAPI
    url: openapi/ual-refunds-api-openapi.yml
  - type: Documentation
    url: https://developers.ualabis.com.ar/v2
  - type: Documentation
    url: https://developers.ualabis.com.ar/v2/authentication/create
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/ual-agentic-access.yml
- type: Website
  url: https://www.uala.com.ar/
- type: DeveloperPortal
  url: https://developers.ualabis.com.ar/
- type: Documentation
  url: https://developers.ualabis.com.ar/v2
- type: APIReference
  url: https://developers.ualabis.com.ar/v2
- type: GettingStarted
  url: https://developers.ualabis.com.ar/
- type: GitHubOrganization
  url: https://github.com/Uala-Developers
- type: Blog
  url: https://blog.uala.com.ar/
- type: Support
  url: https://www.uala.com.ar/preguntas-frecuentes
- type: Pricing
  url: https://www.uala.com.ar/costos
- type: Login
  url: https://web.ualabis.com.ar/
- type: TermsOfService
  url: https://www.uala.com.ar/cgu
- type: PrivacyPolicy
  url: https://www.uala.com.ar/privacidad
- type: ChangeLog
  url: changelog/ual-changelog.yml
- type: Webhooks
  url: asyncapi/ual-webhooks.yml
- type: ErrorCatalog
  url: errors/ual-problem-types.yml
- type: Conventions
  url: conventions/ual-conventions.yml
- type: Sandbox
  url: sandbox/ual-sandbox.yml
- type: Lifecycle
  url: lifecycle/ual-lifecycle.yml
- type: Conformance
  url: conformance/ual-conformance.yml
- type: Packages
  url: packages/ual-packages.yml
- type: SDKs
  url: packages/ual-packages.yml
- type: MCPServer
  url: mcp/ual-mcp.yml
- type: LLMsTxt
  url: llms/ual-llms.txt
- type: AgentSkill
  url: skills/_index.yml
- type: DataModel
  url: data-model/ual-data-model.yml
- type: Components
  url: components/ual-components.yml
- type: Authentication
  url: authentication/ual-authentication.yml
- type: DomainSecurity
  url: security/ual-domain-security.yml