The SMS Works API

thesmsworks.co.uk

A REST API for sending and receiving SMS messages, delivery reports, batch messaging, and one-time password verification.

The The SMS Works API API uses bearer token authentication; has usage based pricing; offers a free tier (Free account with 50 free test credits); rate limits: No limit on total messages sent; flooding filter allows a single number to receive 20 varied and 6 identical messages per hour. Verified 2026-07-12 with per-field source links.

Communication Verified 2026-07-12 high confidence

Base URL

https://api.thesmsworks.co.uk/v1

thesmsworks.co.uk ↗

Auth

bearer_token

thesmsworks.co.uk ↗

Free tier

Free account with 50 free test credits

thesmsworks.co.uk ↗

Pricing model

usage_based

thesmsworks.co.uk ↗

Pricing

From 3.1 pence + VAT per UK text; only delivered messages charged, undelivered UK texts refunded; no setup fee or contract; £10 minimum order for BACS

thesmsworks.co.uk ↗

Rate limits

No limit on total messages sent; flooding filter allows a single number to receive 20 varied and 6 identical messages per hour

thesmsworks.co.uk ↗

OpenAPI spec

not documented null

no source

MCP server

not documented null

no source