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Address API

Every T&T address.
One source of truth.

TTPOST's S-42 postal code system, exposed as a clean REST API. Lookup, validate, and geocode every address in Trinidad & Tobago with a single call.

Three lookup modes

Postal code → address

Expand any S-42 postal code into a full standardised address with building name, street, district, and region.

GET /lookup?postal=POS-100345

Address → postal code

Pass any address string and receive the canonical postal code, plus confidence score and alternative matches.

GET /lookup?q=12+Maraval+Rd

Geocoordinates → address

Reverse-geocode a latitude/longitude to the nearest validated T&T address, including what3words and Plus Code.

GET /reverse?lat=10.65&lng=-61.52

Try it in seconds

cURL
curl -X GET "https://api.ttpost.tt/v1/address/lookup?q=12+Maraval+Rd" \
  -H "Authorization: Bearer sk_test_addr_..."
Response
{
  "address": "12 Maraval Road, Port of Spain",
  "postal_code": "POS-100345",
  "what3words": "sleek.bridge.coast",
  "plus_code": "FFXX+QC Port of Spain",
  "confidence": 0.98,
  "region": "Port of Spain"
}

Pricing

Free
$0
100 lookups/month
  • Sandbox + production
  • All lookup modes
  • Community support
Start for free
Pay-as-you-go Popular
$0.01 / lookup
No monthly commitment
  • Unlimited lookups
  • Batch validation endpoint
  • Email support
Get API key
Enterprise
Custom
Negotiated volume pricing
  • SLA guarantee
  • Change notification feed
  • Dedicated account manager
Contact sales

Used by 12 T&T businesses

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