CallHub
8.2#1 in sms marketing softwareFree planFree planAndroidiOSWebAPI
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| Fact | CallHub | Trum·pia |
|---|---|---|
| API | The public API uses regional HTTPS endpoints under api-[region].callhub.io/v1/, JSON responses, and token authorization; it supports contacts, campaigns, and webhooks. | Trum·pia offers an SMS API with delivery reports, toll-free or dedicated short-code options, and throughput up to 150 or 300 messages per second respectively. |
| Founded | The company’s story says Augustus Franklin created the original chat tool in 2011. | 2006 |
| Headquarters | Washington, DC, United States | La Palma, California, United States |
| Integrations | Direct integrations include NGP VAN, NationBuilder, Action Network, PDI, Salesforce, EveryAction, CiviCRM, Blackbaud, Blue State Digital, and Freshsales. | Built-in integrations include Salesforce, Shopify, and Typeform, with Zapier integrations for services including Google Sheets, HubSpot, Slack, and Mailchimp. |
| Security | CallHub states it is SOC 2, GDPR, ISO 27001, and HIPAA compliant and uses AWS for cloud infrastructure. | The API infrastructure logs login attempts, compartmentalizes user data, supports optional TLS over HTTPS, and uses network and physical security controls. |
CallHub suits campaign teams and organizations coordinating calls, mass or peer-to-peer texts, and outreach workflows. Its listed contact and agent limits can help teams assess whether Essential fits their size.
You want what its maker publishes above — check its page for the details.