Addi

Addi is a Colombian financial technology company founded in 2018 that provides buy-now-pay-later (BNPL) credit at the point of sale across Latin America. Consumers split purchases into installments using only a national ID — no credit card required — while merchants integrate Addi as a checkout payment method through first-party e-commerce plugins (VTEX IO, Magento 2, PrestaShop) and a REST API secured with Auth0 OAuth2 client-credentials. Addi serves more than two million customers and tens of thousands of merchants in Colombia and Brazil, and is regulated by the Superintendencia Financiera de Colombia.

Addi publishes 1 API on the APIs.io network. Tagged areas include Company, Fintech, Payments, Buy Now Pay Later, and Credit.

Addi’s developer surface includes documentation, engineering blog, support, signup flow, authentication, sandbox, and 10 more developer resources.

26.3/100 emerging Agent 10/100 human only Full breakdown ↓
scored 2026-07-20 · rubric v0.4
1 APIs 0 Features
CompanyFintechPaymentsBuy Now Pay LaterCreditLendingCheckoutE-commerceLatin AmericaColombia

API Rating

API Evangelist API Evangelist Rating How this is scored →
scored 2026-07-20 · rubric v0.4
Composite quality — 26.3/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 9.6 / 20
Commercial Clarity 6.8 / 20
Operational Transparency 0.7 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 10/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 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/addi: 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

Addi Credit & Checkout API

REST API that lets e-commerce merchants create Addi buy-now-pay-later credit applications at checkout. Authentication is handled through Auth0 using the OAuth2 client-credential...

Resources

Get Started 3

Portal, sign-up, and the first successful call

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Build 3

SDKs, sample code, and the tooling you integrate with

Access & Security 2

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 2

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: addi
name: Addi
description: Addi is a Colombian financial technology company founded in 2018 that provides buy-now-pay-later (BNPL) credit
  at the point of sale across Latin America. Consumers split purchases into installments using only a national ID — no credit
  card required — while merchants integrate Addi as a checkout payment method through first-party e-commerce plugins (VTEX
  IO, Magento 2, PrestaShop) and a REST API secured with Auth0 OAuth2 client-credentials. Addi serves more than two million
  customers and tens of thousands of merchants in Colombia and Brazil, and is regulated by the Superintendencia Financiera
  de Colombia.
image: https://framerusercontent.com/assets/8Hhy9sRJUr3NC5YbnftP6MrFAOQ.jpg
url: https://raw.githubusercontent.com/api-evangelist/addi/refs/heads/main/apis.yml
x-type: company
x-source: a16z-portfolio
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-17'
tags:
- Company
- Fintech
- Payments
- Buy Now Pay Later
- Credit
- Lending
- Checkout
- E-commerce
- Latin America
- Colombia
apis:
- name: Addi Credit & Checkout API
  description: REST API that lets e-commerce merchants create Addi buy-now-pay-later credit applications at checkout. Authentication
    is handled through Auth0 using the OAuth2 client-credentials flow (client_id + client_secret). A sandbox environment is
    published for integration testing before going live.
  humanURL: https://api-docs-sandbox.addi.com/auth/
  baseURL: https://api.addi.com
  tags:
  - Payments
  - Buy Now Pay Later
  - Checkout
  - Credit
  properties:
  - type: Authentication
    url: authentication/addi-authentication.yml
  - type: Sandbox
    url: sandbox/addi-sandbox.yml
  - type: Conformance
    url: conformance/addi-conformance.yml
common:
- type: DeveloperPortal
  url: https://api-docs-sandbox.addi.com/auth/
- type: Documentation
  url: https://api-docs-sandbox.addi.com/auth/
- type: Website
  url: https://co.addi.com/
- type: Blog
  url: https://medium.com/addi-com
- type: GitHubOrganization
  url: https://github.com/AdelanteFinancialHoldings
- type: Support
  url: https://co.addi.com/preguntas-frecuentes
- type: TermsOfService
  url: https://co.addi.com/tyc-links-addi
- type: PrivacyPolicy
  url: https://co.addi.com/pp
- type: SignUp
  url: https://co.addi.com/
- type: Packages
  url: packages/addi-packages.yml
- type: SDKs
  url: packages/addi-packages.yml
- type: Authentication
  url: authentication/addi-authentication.yml
- type: Sandbox
  url: sandbox/addi-sandbox.yml
- type: Conformance
  url: conformance/addi-conformance.yml
- type: LLMsTxt
  url: llms/addi-llms.txt
- type: DomainSecurity
  url: security/addi-domain-security.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence