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direct mail

Provider-declared label. Inspect each service’s documented actions and access requirements.

Services are ordered by documented operations, attributed reports and current documentation. 2 services are classified here. Each card shows the interfaces a service offers; open it for access requirements and sources.

Categories · Tasks · Interfaces · How listings are checked

Thanks.io

A direct-mail platform with an API for reading account mailing lists and integrating postcard, letter, and campaign workflows.

direct-mail · marketing · api

API · Documentation checked: 2026-10-10

Lob

Lob provides Print & Mail and Address Verification APIs for automating direct mail. Agents can send postcards, letters and checks programmatically.

direct-mail · print-and-mail

API · Documentation checked: 2026-10-13