Wallex
Commercialby M-DAQ Global (Wallex Technologies)
Singapore-based cross-border payments and FX platform (part of M-DAQ Global) with a JSON REST Partner API covering users, collections, payments, conversions, balances, funding and webhooks. Built for platforms embedding multi-currency collection accounts, FX conversion and international payouts.
How to authenticate
- 1Contact contact@wallextech.com to be onboarded as a partner; you receive an X-Api-Key plus an accessKeyId and secretAccessKey.
- 2Include the 'X-Api-Key' header on every API request (missing/invalid key returns 403).
- 3Call the Authenticate API with your accessKeyId/secretAccessKey to obtain an authorization token, valid for 8 hours (you may refresh early).
- 4Send 'Authorization: Bearer <token>' on requests to restricted resources (missing token returns 401).
- 5Optionally include X-Request-ID for tracing; test flows against the Wallex simulator (simulator.wallex.plus).
Example request
curl 'https://{wallex-api-host}/balances' -H 'X-Api-Key: YOUR_API_KEY' -H 'Authorization: Bearer YOUR_TOKEN'Notes for AI agents
Credentials are only issued by contacting Wallex (no self-serve signup); the API host is provided at onboarding, and a public simulator exists at simulator.wallex.plus. Docs are agent-friendly: /llms.txt index with per-endpoint .md and YAML pages. Rate limits are explicitly documented (5 rps / 432k per day).
Machine-readable version: /api/apis/wallex
Related APIs
2C2P Payment Platform API
2C2P
Southeast Asia payments processor headquartered in Singapore, covering cards, QR payments and 250+ local payment methods across the region. Suited to merchants selling into multiple SEA markets.
Adyen
Adyen N.V.
Enterprise payments platform with a single Checkout API for cards and local payment methods. In Singapore it supports PayNow (SGD, SG only) with real-time payments, QR code integration, refunds, partial refunds and separate captures via the standard /payments endpoint with paymentMethod.type set to paynow.
Airwallex API
Airwallex
Global business accounts, multi-currency wallets, payouts, cards and payment acceptance with strong Singapore entity support. Common choice for SG companies paying overseas suppliers or holding multi-currency balances.
FOMO Pay
FOMO Pay Pte Ltd
Singapore MAS-licensed major payment institution providing a banking-grade API for accounts, balances, virtual accounts, beneficiaries, outgoing transfers and transaction data. Known in SG for QR payment acceptance (PayNow/SGQR) and digital-currency-to-fiat settlement rails for merchants.