# Ravelin

**Canonical:** https://apis.io/providers/ravelin/  
**Website:** https://www.ravelin.com/  
**APIs profiled:** 13

Ravelin is a London-based fraud detection and prevention platform offering AI-native, real-time decisioning APIs for online merchants. Their products cover payment fraud, chargeback recovery, account takeover (ATO) protection, refund and policy abuse, marketplace and supplier fraud, and a PSP-agnostic 3D Secure server. Ravelin combines per-merchant machine learning models, graph network analysis, and a consortium database of identity signals to score every customer interaction across checkout, login, registration, and post-transaction events.

## Kin Score — 37.3 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 37.3).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 56.2 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 2.6 |
| Developer Ergonomics | 54.8 |
| Commercial Clarity | 25.0 |
| Access Clarity | 25.0 |

Regulatory layer — **Payments**: 35.9 (matched via tags).

## Agent readiness — 19.0 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | documented |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: medium).

## APIs (13)

- **Ravelin PSP API** — A purpose-built API surface for Payment Service Providers (PSPs) embedding Ravelin's risk scoring and dispute capture into their own merchant-facing product. Exposes Score, Tran...
- **Ravelin Callbacks API** — Outbound webhook callbacks delivered by Ravelin to merchant-configured endpoints when manual reviews, order decisions, or refund decisions are completed in the Ravelin dashboard...
- **Ravelin 3D Secure API** — EMV 3DS 2.x authentication operations.
- **Ravelin Authentication API** — Login and registration events for account takeover scoring.
- **Ravelin Checkout API** — Pre-payment order risk scoring.
- **Ravelin Connect API** — Cross-merchant identity and signal sharing.
- **Ravelin Customer API** — Customer profile, identity, and label events.
- **Ravelin Disputes API** — Chargebacks, disputes, and reclaim events.
- **Ravelin Payouts API** — Outbound payouts to suppliers and recipients.
- **Ravelin Refunds API** — Refund requests and decisioning.
- **Ravelin Supplier API** — Supplier, driver, courier, and seller events for marketplace risk.
- **Ravelin Transactions API** — Payment attempts, captures, refunds, and authorizations.
- **Ravelin Vouchers API** — Voucher, promo, and payment-method voucher events.

## Agentic access (1)

- **Ravelin Agentic Access** — 24 operations · 24 acting

## Security (3)

- **Ravelin Authentication** — apiKey · 1 scheme
- **Ravelin Domain Security** — TLSv1.3 · DNSSEC · DMARC
- **Ravelin Vulnerability Disclosure** — security.txt · contact published

## Use cases (6)

- **Online Payment Fraud and Chargeback Prevention** — Scoring checkout and transaction events to block fraudulent orders before they ship and reduce card scheme chargebacks.
- **Account Takeover (ATO) Protection** — Risk-scoring login events to detect credential stuffing, breach reuse, and session hijacking attempts in real time.
- **Refund and Policy Abuse** — Detecting customers who systematically exploit refund, return, and goodwill policies across orders and channels.
- **Promo, Voucher, and Loyalty Abuse** — Scoring voucher and promo redemption events to stop bonus stacking, multi-accounting, and referral fraud.
- **Marketplace and Supplier Fraud** — Risk-scoring suppliers, drivers, couriers, sellers, and other marketplace participants to detect collusion and onboarding fraud.
- **3D Secure and SCA Optimization** — Running EMV 3DS 2.x authentication through Ravelin's 3DS Server with dynamic exemption routing to maximize approval and shift liability where appropriate.

## Tags

Fraud Prevention, Fraud Detection, Chargeback Prevention, Account Takeover, 3D Secure, Risk Scoring, Payments, Machine-Learning

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