Send text messages with Workflows


Use Workflows to automate, schedule, and send text messages to yourself or invitees.

To stay in the loop about upcoming meetings or remind yourself about tasks that need to be completed after they end, create a workflow that automatically sends text message reminders to yourself.


Reduce no-shows without the need to call

To reduce no-shows for scheduled events, create a workflow that automatically sends a text reminder to your invitees before they start. No matter which workflow you choose, count on Calendly to save you time and deliver messages for you.

Craft and automatically coordinate your text messages

Since you don’t have to worry about when you’ll coordinate your text messages, you can use the extra time to focus on the text message you want to send. A single text message can be up to 180 characters, and Calendly provides a real-time character count so you always know your message’s length. If a variable exceeds the character limit (such as an event type name) the message will send as normal, and not be shortened.

If you share your invitee's answers to your questions on the booking form in your text message using the variable, Calendly will shorten each answer to 40 characters or less so less text messages are sent to your invitee. 


When you finalize a workflow, Calendly will use Twilio, a communication platform, to send your text message from a randomly-generated phone number from a US area code (mostly Atlanta). Replies are unmonitored and your invitees can opt in or opt out of text messages as needed.

NOTE: Some phone carriers in certain countries have strict filtering mechanisms that may prevent messages from being delivered to invitees. For more on this, see International Messaging on Twilio's help center.

Send multiple messages to invitees

For one-on-one event types, you can send an unlimited amount of text messages across your workflows. 

Beginning October 28th 2022, text messages will not be available for Group Events with more than 100 invitees. If you are currently using SMS notifications for group event types with more than 100 invitees, you can: 

Check out this guide to using Calendly's powerful email and text reminders for more suggestions and best practices!

If you are not currently using SMS notifications with group event types with more than 100 invitees, you do not need to take any further action.

Because  Calendly's text notifications don’t use your phone number, you don’t have to worry about any additional phone carrier rates. Phone carriers' standard messaging rates will still apply for your invitees, so if they are usually billed for the messages they receive, then they will also pay a fee for text messages they receive from any of your workflows.

Visit our pricing page to learn more about which plans give you access to Workflows.

Which countries can I send SMS messages from?

List of supported countries

Afghanistan (+93)
Armenia (+374)
Azerbaijan (+994)
Bahrain (+973)
Bangladesh (+880)
Bhutan (+975)
Brunei (+673)
Cambodia (+855)
China (+86)
East Timor (+670)
Georgia (+995)
Hong Kong (+852)
India (+91)
Indonesia (+62)
Iran (+98)
Iraq (+964)
Israel (+972)
Japan (+81)
Jordan (+962)
Korea Dem People's Rep (+850)
Korea Republic of (+82)
Kuwait (+965)
Kyrgyzstan (+996)
Laos PDR (+856)
Lebanon (+961)
Macau (+853)
Malaysia (+60)
Maldives (+960)
Mongolia (+976)
Myanmar (+95)
Nepal (+977)
Oman (+968)
Pakistan (+92)
Palestinian Territory (+970)
Philippines (+63)
Qatar (+974)
Saudi Arabia (+966)
Sri Lanka (+94)
Syria (+963)
Taiwan (+886)
Tajikistan (+992)
Thailand (+66)
Turkey (+90)
Turkish Republic of Northern Cyprus (+90)
Turkmenistan (+993)
United Arab Emirates (+971)
Uzbekistan (+998)
Vietnam (+84)
Yemen (+967)
Albania (+355)
Andorra (+376)
Austria (+43)
Belarus (+375)
Belgium (+32)
Bosnia and Herzegovina (+387)
Bulgaria (+359)
Canary Islands (+3491)
Croatia (+385)
Cyprus (+357)
Czech Republic (+420)
Denmark (+45)
Estonia (+372)
Faroe Islands (+298)
Finland/Aland Islands (+358)
France (+33)
Germany (+49)
Gibraltar (+350)
Greece (+30)
Hungary (+36)
Iceland (+354)
Ireland (+353)
Italy (+39)
Kosovo (+383)
Latvia (+371)
Liechtenstein (+423)
Lithuania (+370)
Luxembourg (+352)
Macedonia (+389)
Malta (+356)
Moldova (+373)
Monaco (+377)
Montenegro (+382)
Netherlands (+31)
Norway (+47)
Poland (+48)
Portugal (+351)
Romania (+40)
San Marino (+378)
Serbia (+381)
Slovakia (+421)
Slovenia (+386)
Spain (+34)
Sweden (+46)
Switzerland (+41)
Ukraine (+380)
United Kingdom (+44)
Vatican City (+379)
Algeria (+213)
Angola (+244)
Benin (+229)
Botswana (+267)
Burkina Faso (+226)
Burundi (+257)
Cameroon (+237)
Canary Islands (+3491)
Cape Verde (+238)
Central Africa (+236)
Chad (+235)
Comoros (+269)
Congo (+242)
Congo, Dem Rep (+243)
Djibouti (+253)
Egypt (+20)
Equatorial Guinea (+240)
Eritrea (+291)
Ethiopia (+251)
Gabon (+241)
Gambia (+220)
Ghana (+233)
Guinea (+224)
Guinea-Bissau (+245)
Ivory Coast (+225)
Kenya (+254)
Lesotho (+266)
Liberia (+231)
Libya (+218)
Madagascar (+261)
Malawi (+265)
Mali (+223)
Mauritania (+222)
Mauritius (+230)
Morocco/Western Sahara (+212)
Mozambique (+258)
Namibia (+264)
Niger (+227)
Nigeria (+234)
Reunion/Mayotte (+262)
Rwanda (+250)
Sao Tome and Principe (+239)
Senegal (+221)
Seychelles (+248)
Sierra Leone (+232)
Somalia (+252)
South Africa (+27)
South Sudan (+211)
Spain (+34)
Sudan (+249)
Swaziland (+268)
Tanzania (+255)
Togo (+228)
Tunisia (+216)
Uganda (+256)
Zambia (+260)
Zimbabwe (+263)
American Samoa (+1684)
Australia/Cocos/Christmas Island (+61)
Cook Islands (+682)
Fiji (+679)
French Polynesia (+689)
Guam (+1671)
Marshall Islands (+692)
Micronesia (+691)
New Caledonia (+687)
New Zealand (+64)
Northern Mariana Islands (+1670)
Palau (+680)
Papua New Guinea (+675)
Samoa (+685)
Solomon Islands (+677)
Tonga (+676)
Tuvalu (+688)
Vanuatu (+678)
American Samoa (+1684)
Anguilla (+1264)
Antigua and Barbuda (+1268)
Aruba (+297)
Ascension (+247)
Bahamas (+1242)
Barbados (+1246)
Belize (+501)
Bermuda (+1441)
Canada (+1)
Cayman Islands (+1345)
Costa Rica (+506)
Cuba (+53)
Dominica (+1767)
Dominican Republic (+1809201)
Dominican Republic (+1809)
Dominican Republic (+1849)
Dominican Republic (+1829)
El Salvador (+503)
Greenland (+299)
Grenada (+1473)
Guadeloupe (+590)
Guam (+1671)
Guatemala (+502)
Haiti (+509)
Honduras (+504)
Jamaica (+1876)
Martinique (+596)
Mexico (+52)
Montserrat (+1664)
Netherlands Antilles (+599)
Nicaragua (+505)
Northern Mariana Islands (+1670)
Panama (+507)
Puerto Rico (+1787)
St Kitts and Nevis (+1869)
St Lucia (+1758)
St Pierre and Miquelon (+508)
St Vincent Grenadines (+1784)
Trinidad and Tobago (+1868)
Turks and Caicos Islands (+1649)
United States (+1)
Virgin Islands, British (+1284)
Virgin Islands, U.S. (+1340)
Argentina (+54)
Bolivia (+591)
Brazil (+55)
Chile (+56)
Colombia (+57)
Ecuador (+593)
Falkland Islands (+500)
French Guiana (+594)
Guyana (+592)
Paraguay (+595)
Peru (+51)
Suriname (+597)
Uruguay (+598)
Venezuela (+58)

A note on short URLs

We do not allow the usage of shared URL shortening services in text messages for Workflows (example: links). This is because some carriers do not allow these links and it increases risk that the messages get filtered and undelivered because of spam. More information can be found here.

SMS Regulation Usage & Compliance

SMS Restrictions
Text messaging sent through Calendly must follow Twilio's Acceptable Use Policy. If Calendly detects any SMS messages that violate this policy, text messaging (SMS) functionality will be turned off for your account. These violations include but are not limited to messaging related to cannabis, gambling, firearms, etc.

We recommend reviewing Twilio's Acceptable Use Policy for a comprehensive understanding of these guidelines. It's essential to also emphasize that Twilio's Messaging Policy aligns with US carrier regulations, and exceptions to these standards are not permissible.

See more on texting with Workflows

How to automatically send a text message to yourself
How to automatically send a text message to invitees
How invitees can opt out of text messages your workflows send them