# Mastercard Gateway API

**Canonical:** https://apis.io/providers/mastercard-gateway-api/  
**Website:** https://developer.mastercard.com/  
**APIs profiled:** 2

The Mastercard Payment Gateway provides a robust, developer-friendly REST API for integrating payment processing into applications. It supports a wide range of payment methods, currencies, and transaction types for merchants and payment service providers.

## Kin Score — 31.3 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 31.3).

| Facet | Score |
|---|---|
| Discoverability | 66.7 |
| Contract Quality | 50.3 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 26.2 |
| Commercial Clarity | 32.9 |
| Access Clarity | 32.9 |

Regulatory layer — **Payments**: 25.0 (matched via tags).

## Agent readiness — 24.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bound |
| 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 |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (2)

- **Mastercard Gateway API** — The Mastercard Payment Gateway API provides a comprehensive interface for integrating payments into applications, supporting multiple payment methods, currencies, and transactio...
- **Mastercard Gateway API Merchant API** — The Merchant API from Mastercard Gateway API — 10 operation(s) for merchant.

## Agentic access (1)

- **Mastercard Gateway Api Agentic Access** — 14 operations · 9 acting

## Security (2)

- **Mastercard Gateway Api Authentication** — http/mutualTLS · 2 schemes
- **Mastercard Gateway Api Domain Security** — TLSv1.2 · HSTS · DMARC

## Plans (1)

- **Mastercard Gateway Api Plans Pricing**

## Tags

Credit Cards, Gateway, Payment Processing, Payments

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