Simunix is a UK based directory solutions provider. The information they provide includes Telephone Numbers, People , Address & Postcode Information, Company Information and Data Validation (e.g. Deceased Suppression and TPS checking).
Simunix makes their full range of data available to developers through their T2A API. T2A supplies users with high quality data required for developing professional websites and business applications. The API can be used for finding, validating and verifying data. Data is collated from multiple sources including BT OSIS, Royal Mail PAF, UK Edited Electoral Roll and TPS. The API uses REST and SOAP protocols and responses are formatted in XML and JSON.