SendSignal Free Email

Explore this developer service’s ongoing no-cost allowance, restrictions and official documentation before deploying.

INCLUDED FREE ALLOWANCE3.000 emails/month with REST API and SMTP relay, DKIM-verified sending domains, webhooks, templates, contacts, suppressions and test mode.

View official documentation

Plan details

What do these plan and deployment labels mean?

Plan: Ongoing free allowance
Deployment model: Cloud
Credit card: Not required
Commercial use: Check provider
Added to directory (UTC): 2026-11-06
Last checked: 2026-11-06

Important restrictions

Free is $0 forever and no card is required; sending pauses when the monthly quota is exhausted unless the account switches to a paid plan or optional pay-as-you-go. Inbound parsing and broadcasts/automations are on paid Pro. Confirm commercial-use policy directly.

View official documentation

Independent community listing, not affiliated with the provider. Always check the latest billing policy and quotas before enabling paid usage.