Browse APIs

The Singapore API directory

Every API on
the island.
One map.

64 Singapore APIs, government and commercial, hand-verified with auth guides and working examples. Readable by you, and by your AI agent.

26 government38 commercialMCP + llms.txt

All lines

From bus arrivals to PayNow rails, organised the way Singapore builders actually search.

13 lines · 64 stations

COMCommerceE-commerce and retail platform APIs relevant to Singapore sellers.2CMSCommunicationsSMS, WhatsApp, email, and messaging APIs used by Singapore businesses.5INVE-Invoicing (InvoiceNow)Peppol and InvoiceNow e-invoicing APIs: access points, participant lookup, and IRAS-linked invoice delivery for Singapore businesses.2FINFinance & BankingExchange rates, bank APIs, and financial data from MAS, DBS, OCBC, UOB, and fintech platforms.9GEOGeo & MapsSingapore addresses, geocoding, routing, and map services, anchored by OneMap from SLA.3GOVGovernment DataOpen data, public holidays, company records, and whole-of-government APIs from data.gov.sg to APEX.6IDNIdentitySingpass, Myinfo, and identity verification for Singapore users.2LOGLogisticsDelivery, courier, and shipment tracking APIs serving Singapore.4PAYPaymentsAccept payments in Singapore: cards, PayNow, GrabPay, and local rails from Stripe to HitPay to NETS.16PROPropertyHDB resale prices, private property transactions, and land data.2STAStatisticsOfficial Singapore statistics from SingStat Table Builder: 2,500+ tables across 70 public agencies.1TRNTransportBus arrivals, train alerts, traffic, taxis, and carparks from LTA DataMall and data.gov.sg.5WEAWeather & EnvironmentReal-time weather, air quality, UV, rainfall, and environmental health data from NEA via data.gov.sg.7

Featured stations

Hand-verified entries with auth guides and working example requests.

GOVGovernment

ACRA Corporate Entity Information

ACRA via data.gov.sg

Registered entity records from ACRA (UEN, entity name, type, status, registration date, registered address) published as open datasets, split alphabetically. Enables free UEN and company-name lookups.

No authfreeGovernment Data
GOVGovernment

APEX (api.gov.sg Gateway)

GovTech Singapore

The whole-of-government API gateway through which agencies publish APIs (including ACRA BizFile, CPF and other agency services) to other agencies and approved businesses. Discovery and onboarding surface for gov APIs that are not on data.gov.sg.

RestrictedcontactGovernment Data
TRNGovernment

HDB Carpark Availability

HDB via data.gov.sg

Live lot availability for HDB carparks across Singapore, updated every minute. Each carpark reports total lots and available lots per lot type (car, motorcycle, heavy vehicle).

No authfreeTransport
PROGovernment

HDB Resale Flat Prices

HDB via data.gov.sg

Every HDB resale transaction from 2017 onward: month, town, flat type, block, street, storey range, floor area, remaining lease and resale price. The canonical dataset behind SG property analytics.

No authfreeProperty
GOVGovernment

IRAS API Marketplace

Inland Revenue Authority of Singapore (IRAS)

IRAS's developer portal exposing tax-related APIs such as GST Registered Business Search, Stamp Duty Calculator, and filing APIs for payroll (AIS) and corporate tax software. Public lookup APIs are self-serve; filing APIs require onboarding.

API keyfreeGovernment Data
TRNGovernment

LTA DataMall Bus Arrival

Land Transport Authority (LTA)

Real-time bus arrival estimates for any bus stop in Singapore, including load, deck type and wheelchair accessibility for the next three buses per service. The most-used SG transport API.

API keyfreeTransport

Built for agents

Your AI agent can read this whole site.

Every entry is available as plain text, JSON, and MCP tools. No key, no signup. Point your agent here and it can find, understand, and integrate any Singapore API on its own.

MCP server

Remote MCP over streamable HTTP. Tools: search_apis, get_api, get_auth_guide, list_categories.

Claude Code
claude mcp add --transport http singaporeapi https://singaporeapi.com/mcp

llms.txt

The full catalogue as plain text. One line per API, or the complete detail in llms-full.txt.

curl
curl https://singaporeapi.com/llms.txt
curl https://singaporeapi.com/llms-full.txt

JSON API

Authless, CORS-open REST API over the whole directory. Filter by query, category, and auth type.

curl
curl "https://singaporeapi.com/api/apis?q=weather"
curl https://singaporeapi.com/api/apis/lta-datamall