# Afterpay

**Canonical:** https://apis.io/providers/afterpay/  
**Website:** https://www.afterpay.com/  
**APIs profiled:** 3

Afterpay (acquired by Block / Square) is a buy-now-pay-later platform offering Pay-in-4 installments at thousands of merchants. APIs for merchants to integrate via Square or direct.

## Kin Score — 19.7 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 19.7).

| Facet | Score |
|---|---|
| Discoverability | 72.2 |
| Contract Quality | 43.3 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 7.9 |
| Developer Ergonomics | 0.0 |
| Commercial Clarity | 13.2 |
| Access Clarity | 13.2 |

Regulatory layer — **Payments**: 18.8 (matched via tags).

## Agent readiness — 18.4 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (3)

- **Afterpay Checkout API** — Create and confirm Afterpay checkouts for merchant integrations.
- **Afterpay Payments API** — Auth, capture, void and refund Afterpay payments.
- **Afterpay Configuration API** — Retrieve merchant-level configuration and supported regions.

## Security (2)

- **Afterpay Domain Security** — TLSv1.3 · HSTS · DMARC
- **Afterpay Vulnerability Disclosure** — Bugcrowd · security.txt · contact published

## Plans (1)

- **Afterpay Plans Pricing**

## Tags

Fintech, BNPL, Payments, Consumer, Block

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/afterpay/). Scores are computed from the provider's own public artifacts under a published rubric.