Nium

Nium is a global payments infrastructure platform for cross-border payouts, collections, FX, and card issuing. Serves financial institutions, fintechs, and corporates with a single API.

Nium publishes 6 APIs on the APIs.io network. Tagged areas include Fintech, Cross-Border, Payments, FX, and Issuing.

Nium’s developer surface includes engineering blog and 1 more developer resources.

🌐 Visit website 📡 Source on GitHub

14.5/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1

6 APIs

FintechCross-BorderPaymentsFXIssuing

Kin Score

Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1

Composite quality — 14.5/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 0.4 / 20

Commercial Clarity 5.8 / 20

Operational Transparency 2.7 / 13

Governance 0.0 / 12

Discoverability 6.5 / 10

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

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/nium: 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 6

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

Nium Payout API

Cross-border payouts to bank accounts, cards and wallets in 220+ countries with real-time delivery in 100+.

Nium Payin API

Accept payments via bank transfers, cards and wallets across 35+ countries.

Nium Wallet API

Multi-currency virtual wallets for storing and managing funds.

Nium Cards API

Issue and manage virtual and physical cards.

Nium FX API

Real-time foreign exchange quotes and conversions.

Nium Onboarding API

KYC/KYB onboarding flows for individuals and corporates.

Pricing Plans 1

Published pricing tiers and plan structures.

Nium Plans Pricing

1 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Nium Rate Limits

1 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Nium Finops

FINOPS

Security Posture 1

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

Nium Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 1

The organization behind the API

Blog

Blog

Source (apis.yml)

aid: nium
url: https://raw.githubusercontent.com/api-evangelist/nium/refs/heads/main/apis.yml
name: Nium
kind: company
description: Nium is a global payments infrastructure platform for cross-border payouts, collections, FX, and card issuing.
  Serves financial institutions, fintechs, and corporates with a single API.
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/nium.png
tags:
- Fintech
- Cross-Border
- Payments
- FX
- Issuing
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis:
- name: Nium Payout API
  description: Cross-border payouts to bank accounts, cards and wallets in 220+ countries with real-time delivery in 100+.
  humanURL: https://docs.nium.com/apis
  baseURL: https://gateway.nium.com/api
  tags:
  - Payouts
  - Cross-Border
  properties:
  - type: Documentation
    url: https://docs.nium.com/apis
- name: Nium Payin API
  description: Accept payments via bank transfers, cards and wallets across 35+ countries.
  humanURL: https://docs.nium.com/apis
  baseURL: https://gateway.nium.com/api
  tags:
  - Payins
  - Collections
  properties:
  - type: Documentation
    url: https://docs.nium.com/apis
- name: Nium Wallet API
  description: Multi-currency virtual wallets for storing and managing funds.
  humanURL: https://docs.nium.com/apis
  baseURL: https://gateway.nium.com/api
  tags:
  - Wallet
  - Multi-Currency
  properties:
  - type: Documentation
    url: https://docs.nium.com/apis
- name: Nium Cards API
  description: Issue and manage virtual and physical cards.
  humanURL: https://docs.nium.com/apis
  baseURL: https://gateway.nium.com/api
  tags:
  - Cards
  - Issuing
  properties:
  - type: Documentation
    url: https://docs.nium.com/apis
- name: Nium FX API
  description: Real-time foreign exchange quotes and conversions.
  humanURL: https://docs.nium.com/apis
  baseURL: https://gateway.nium.com/api
  tags:
  - FX
  - Currency Conversion
  properties:
  - type: Documentation
    url: https://docs.nium.com/apis
- name: Nium Onboarding API
  description: KYC/KYB onboarding flows for individuals and corporates.
  humanURL: https://docs.nium.com/apis
  baseURL: https://gateway.nium.com/api
  tags:
  - KYC
  - KYB
  - Onboarding
  properties:
  - type: Documentation
    url: https://docs.nium.com/apis
common:
- type: DomainSecurity
  url: security/nium-domain-security.yml
- url: https://www.nium.com/blog
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com