ClickSend SMS Gateway API vs CM.com Business Messaging API

ClickSend SMS Gateway API

Figure	ClickSend SMS Gateway API	CM.com Business Messaging API
Price from	—	—
Free plan	—	—
Free trial	Yes	Yes
Open source	—	—
Web	Yes	—
macOS	Yes	—
iOS	Yes	—
API	Yes	Yes
Plans published	4	5
Spec score · SMS APIs	8.6 (#5)	8.6 (#6)
Spec score · SMS API services	8.5 (#12)	8.7 (#4)
Founded	2013	1999
Headquarters	Melbourne, Victoria, Australia	Breda, Netherlands
Inbound webhooks	Yes	Yes
Integrations	ClickSend lists integrations including Zapier, Microsoft Power Automate, Make, Salesforce, ActiveCampaign, and Bubble.io.	CM.com says its platform can integrate with CRMs, ERPs, CDPs, OMS, and CCaaS platforms, and names Salesforce, Zendesk, and Magento 2 as examples.
Purpose	The SMS Gateway API lets applications add native bulk SMS capability and send programmatic texts through ClickSend.	The API connects multiple messaging channels through one CPaaS interface for business messaging.
Security	ClickSend says customer connections are protected with TLS 1.2 using AES ciphers and that sensitive data encryption is enabled at rest and in transit.	API communications must use TLS 1.2 or higher, and authentication uses a product token that CM.com advises keeping out of client-side code and public repositories.
Support	The product page advertises free 24/7 support through live chat, phone, contact form, or email.	Subscription inclusions list access to the Knowledge Center, emergency monitoring through the Network Operations Center, and an online status portal.
Two-way SMS	Yes	Yes

ClickSend SMS Gateway API has no write-up on Specifiction yet; its figures are above.

CM.com Business Messaging API has no write-up on Specifiction yet; its figures are above.