About Blocx and Otter Technologies.

Blocx is built by Otter Technologies Inc., headquartered in Cheyenne, Wyoming, United States.

Brand identity

Blocx is the programmable messaging product from Otter Technologies Inc., headquartered in Cheyenne, Wyoming, United States.

Channels

  • Live today: SMS, MMS, Email, Telegram.
  • Roadmap: RCS.
  • Voice is not a Blocx channel.

Plans

  • Pay as you go — $10 in free credits, no card required, includes 3,000 free email automations per month.
  • Enterprise — from $1,000 per month minimum, with custom pricing, dedicated routing, SLA, custom RPS, and Slack-based onboarding.

Per-channel rates

  • SMS: $0.0077/msg PAYG, $0.0045/msg Enterprise (+ carrier passthrough).
  • MMS: $0.0207/msg PAYG, $0.0135/msg Enterprise (+ carrier passthrough).
  • RCS (roadmap): $0.0231/msg PAYG, $0.0135/msg Enterprise.
  • Email: $0.0002 per email, flat on both plans.
  • Verify: $0.035 per successful verify, flat on both plans.
  • Telegram: $0.0045/msg, flat on both plans.
  • AI tokens: $0.02 per 1,000 tokens, flat on both plans.