Clickatell SMS API

Clickatell SMS API is ranked #2 of 67 in transactional SMS software on The Geeks Club. It runs on API, Web. There is a free plan. A free trial is offered.

Clickatell SMS API plans and pricing

All plans

Prepaid Free Pay as you go for outgoing messages; message prices vary by destination and message type clickatell.com · 2 Oct 2026

Connect Not published Enterprise SMS via API and web app clickatell.com · 2 Oct 2026

Compared on transactional SMS software

Two-way SMS: Yes
Inbound webhooks: Yes
Short code support: Yes
Toll-free numbers: Yes

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Clickatell SMS API

Purpose: Clickatell provides APIs for sending and receiving SMS for customer support, communications, promotions, and two-factor authentication notifications.
API options: The SMS platform offers a basic HTTP API and a REST-based One API.
Coverage: Clickatell says its infrastructure covers more than 220 territories and 1,000 mobile networks.
Routing: The service selects the highest-quality routes available when a message is sent.
Two-way messaging: Businesses can use short codes or long numbers for two-way SMS, and 10DLC numbers for A2P messaging in the United States.
Web tools: The cloud-hosted web interface includes reporting dashboards, role-based access control, and a sandbox with unlimited free testing.
Integrations: Clickatell's One API supports SMS and WhatsApp without requiring separate channel programming.
Encryption: The product page says conversations between businesses and customers are private with default end-to-end encryption.
Free access: Clickatell invites users to register a free account, and its Prepaid package is described as pay-as-you-go for outgoing messages.
Pricing: The product page directs customers to an estimator because SMS costs depend on the destination and message type.
Support and service: Clickatell's Connect package includes standard support and a 99.98% uptime SLA.
Compliance: The Connect package page lists ISO 27001, SOC 2 Type 2, GDPR, CCPA, and POPIA under regulatory compliance.
Company history: Clickatell says it began in Cape Town in 2000, connecting internet businesses with consumers through SMS.
Founded: 2000
Price from: Free

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Where it ranks on The Geeks Club

Best Transactional SMS Software in 2026#2 of 67
Best SMS Gateway Software in 2026#4 of 36
Best WhatsApp Business API Providers in 2026#3 of 33
Best SMS Chatbot Software in 2026#3 of 32

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Sources

clickatell.com/products/sms-platform/· checked 2 Oct 2026
clickatell.com/packages/· checked 2 Oct 2026
guides.clickatell.com/chat-commerce-platform/platform-package· checked 2 Oct 2026
clickatell.com/about-us/· checked 2 Oct 2026
clickatell.com/products/chatflow/· checked 28 Sept 2026