ClickSend SMS API

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

ClickSend SMS API is ranked #11 of 74 in transactional SMS software on Inferse. It runs on API, iOS, macOS, Web. There is no free plan. A free trial is offered.

Compared on transactional SMS software

Free plan: Noclicksend.com
Pay-as-you-go: Yesclicksend.com
SMS API: Yesclicksend.com
Delivery status: Yesclicksend.com
Webhooks: Yesclicksend.com
Two-way messaging: Yesclicksend.com

Facts

Product: ClickSend provides business SMS for sending and receiving texts, through its browser service or API.clicksend.com · 2 Oct 2026
API functions: The SMS API supports sending and managing SMS, checking send costs, and viewing message history.developers.clicksend.com · 2 Oct 2026
Use cases: The product supports promotional campaigns, transactional messages such as reminders and delivery updates, and one-time-password verification.clicksend.com · 2 Oct 2026
Automation: ClickSend describes recurring message workflows ranging from no-code integrations to full-code builds.clicksend.com · 2 Oct 2026
Messaging: The service supports two-way conversational messaging, and the pricing page says inbound SMS replies are free.clicksend.com · 2 Oct 2026
Integrations: Listed integrations include Zapier, Microsoft Power Automate, Make, GoHighLevel, ActiveCampaign, Salesforce, Bubble.io, and IFTTT.integrations.clicksend.com · 2 Oct 2026
Developer tools: ClickSend offers SDKs for PHP, Node.js, Ruby, Swift, Objective-C, Python, C#, Java, Go, and Perl.developers.clicksend.com · 2 Oct 2026
Security: ClickSend says customer connections are protected with TLS 1.2 using AES ciphers, and sensitive data is encrypted at rest and in transit.clicksend.com · 2 Oct 2026
Access controls: Customers can manage API keys in the web portal, while ClickSend says staff access uses role-based controls and multi-factor authentication.clicksend.com · 2 Oct 2026
Support and reliability: The SMS page advertises human-staffed chat support 24 hours a day, 365 days a year, and a 99.95% uptime SLA guarantee.clicksend.com · 2 Oct 2026
Pricing limits: The pricing page says additional carrier fees apply, and messages exceeding 160 characters are charged as multiple message parts.help.clicksend.com · 2 Oct 2026
URL messaging limitation: The API documentation says ClickSend is pausing SMS messages containing URLs for new customers and directs customers to contact support for approval.developers.clicksend.com · 2 Oct 2026