An API to interact with the Poseidon system

POSLavu is a hosted point-of-sale system. The `poslavu` gem provides access to the API.

Posmoni suite

A comprehensive Ruby SDK for sending SMS, emails, and scheduling messages via the PossiNote API

A Ruby gem to search postal codes across 100+ countries via the PLZ API. Supports authentication, postal code search, and country listing.

A number of fully-tested clients for interacting with all of the available postcode anywhere services, including capture, cleansing, payment validation and email validation

Verify the existence of an email address.

Wrapper around the postcodeapi.nu API for resolving Dutch postal codes

Ruby wrapper for PostcodeSoftware's web SDK, see https://web.postcodesoftware.com/sdk

Provides really basic postcode validation (intended for eCommerce platforms).

Quick and easy access to you Posterous accounts. See README for details.

Ruby client for the Postio API. UK address, email, and phone validation backed by Royal Mail PAF and Ordnance Survey. Stdlib net/http, no external runtime dependencies.

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A clean, extensible Ruby client for the Postmark transactional email API. Built with Faraday and designed for Rails 8+ applications.

Developed for easy integration with Postmen

A rubygem to access the Postmon API

A gem for Postnord"s API

Postnord API Wrapper

Ruby client for the PostProxy API — manage social media posts, profiles, and profile groups.