The Singapore API directory

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.

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.

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.

Singapore-headquartered business finance platform offering APIs for payouts, FX conversions, account balances and transaction data on Aspire business accounts. Lets finance teams automate payment operations from their own systems.

Omnichannel messaging API (SMS, WhatsApp, email, voice) from the company formerly known as MessageBird, with SG SMS routes and sender ID support. Alternative CPaaS to Twilio with channel-agnostic message objects.

DBS's corporate API suite (DBS RAPID) covering real-time payments and collections including PayNow, account balances, transaction notifications and FX. The most mature bank API program in Singapore.

Shipping aggregator API that quotes and books across multiple couriers in Singapore (and MY/TH/ID) in one integration, with prepaid credit billing. Good fit for SMEs comparing courier rates programmatically.

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.

Open-banking aggregation and payments API for Asia, providing linked-account data (balances, transactions, statements) and recurring payment rails. Coverage includes major Singapore banks such as DBS, UOB and Standard Chartered, accessed through a hosted Link flow that end users authorise.

On-demand and same-day delivery API from Grab, letting merchants create, quote and track GrabExpress deliveries in Singapore and across SEA. Part of the wider Grab developer platform (deliveries, moca payments, partner integrations).

Singapore corporate-intelligence API exposing official registry data (including ACRA-sourced Singapore company information) as entity searches, registry/financial/litigation reports and relationship graphs. Used for KYC/KYB customer due diligence, lead generation and vendor risk mapping, with output in JSON, XML or PDF.

Singapore-born payment gateway popular with SMEs: one API for PayNow QR, cards, GrabPay, ShopeePay and more, with no monthly fees. Simple payment-request model that is easier than Stripe for basic use cases.

On-demand delivery API for motorcycles, cars, vans and lorries in Singapore: get quotes, place orders, track drivers and receive webhooks. Self-serve sandbox makes it the easiest SG courier API to start with.

Seller APIs for Lazada Singapore covering products, orders, logistics, finance and data, using Alibaba-style signed requests. The other must-have marketplace integration for SG e-commerce tooling.

Singapore's domestic payment network: eNETS online banking payments, NETS QR and NETS click for cards. The way to accept NETS, which many local customers still prefer.

Singapore-headquartered SEA logistics network with APIs for creating orders, generating waybills, tracking parcels and receiving webhook events. Standard choice for e-commerce parcel delivery in SG.

Singapore-headquartered global payments infrastructure: real-time payouts to 190+ countries, collections, FX and card issuing, all API-first. Built for fintechs and platforms embedding cross-border money movement.

OCBC's API platform (api.ocbc.com), the first open banking portal launched by a Singapore bank, offering corporate payment, account and product APIs plus sandbox access. Aimed at fintechs and OCBC business customers.

Regional payment gateway (formerly Omise) operating in Singapore, Thailand and Japan with cards, PayNow and local payment methods. Clean REST API with a tokenization-first design.

Free public REST API over the OpenPeppol Directory, which indexes business cards of Peppol participants worldwide, including Singapore InvoiceNow registrations under UEN-based identifiers. Query by participant ID, name, country (e.g. country=SG) or registration date and get XML or JSON results. Useful for checking whether a Singapore company is InvoiceNow-registered before sending e-invoices.

Global fintech-as-a-service platform for payments, payouts, wallets, card issuing and virtual accounts across 100+ countries. Rapyd Collect supports hundreds of local payment methods, including Singapore local rails, making it a single integration for merchants collecting in SGD and across APAC.

Official market data products for Singapore-listed securities and derivatives, distributed via licensed feeds and the SGX data services. Real-time and historical SGX data requires a commercial licence.

Seller and partner APIs for Singapore's biggest marketplace: product listing, orders, logistics, returns and shop management. Required integration for any SG e-commerce ERP or multichannel tool.

E-invoicing API and Peppol access point that sends and receives invoices over the Peppol network, including Singapore InvoiceNow flows. The API supports SG:UEN participant identifiers, IRAS C5 activation endpoints for reporting invoices to IRAS, and Singapore-specific payment means such as PayNow Corporate (UEN) and GIRO.

MAS-regulated stablecoin issuer of XSGD and payments API for PayNow collections, bank transfers and fiat-to-stablecoin ramps. The bridge between SGD rails and blockchain for SG fintechs.

Full-stack payments API with first-class Singapore support: cards, PayNow QR, GrabPay and Alipay through one PaymentIntents integration. The default choice for SG SaaS and online businesses.

Cloud HR and payroll platform popular with Singapore SMEs, with a public REST API (v2) for employees, branches, payroll items and working days. Payroll objects carry Singapore-specific statutory fields (CPF, SDL, SHG contributions), making it useful for SG payroll integrations and HR data sync.

Singapore-headquartered cross-border payments platform (MAS-regulated) offering checkout, collections, payouts, FX and escrow-style trade protection via a REST API. Live and sandbox environments are fully separated, with self-serve test keys and API-driven money movement for international B2B trade.

Free HTTP API for building Telegram bots, one of the most-used notification and community channels among Singapore developers, businesses and even government services. Instant setup with a single token from BotFather.

Singapore-headquartered B2B cross-border payments network connecting mobile wallets, banks and payout partners in 130+ countries. Public docs cover the Money Transfer API v2 (real-time transfers via quotation and transaction flows) and a Collections API; access to the network itself is by commercial agreement.

Singapore-based, MAS-licensed digital-asset payments provider letting businesses accept crypto/stablecoin payments and make crypto or local-currency payouts while settling in fiat. One OAuth2 token works across all API products (crypto payments, crypto payouts, local currency payouts).

Programmable SMS, voice, WhatsApp and verification APIs with Singapore phone numbers and local compliance handling (SGNIC registration for SMS sender IDs). The default CPaaS for SG OTP and notification flows.

UOB's business APIs for payments (PayNow and account transfers), collections, account information and status enquiries, offered to corporate customers via the UOB Infinity ecosystem. Developer portal with sandbox for experimentation.

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.

Meta-hosted API for sending and receiving WhatsApp messages at scale, the dominant business messaging channel in Singapore. Supports templates, interactive messages, media and webhooks.

API for cross-border transfers, multi-currency accounts and mid-market FX rates, fully licensed in Singapore. Widely used by SG businesses for cheap international payouts.

Accounting API for the platform most SG SMEs and accountants run on: invoices, contacts, bank transactions, payroll and reports. Essential for any SG ERP or fintech that syncs books.