Automatic replies that answer every SMS keyword instantly
Automatic reply sends a text back as soon as a contact replies with a keyword you’ve chosen.
Keyword-triggered responses handle RSVPs, links and simple surveys for you, so every contact gets an instant answer and your team saves time.








Everything you need to reply automatically
Answer replies the moment they arrive, without anyone watching the inbox.
Keyword responses
Sends a response automatically when a contact’s reply contains your keyword, like “RSVP”.
Event RSVPs
Contacts who text “RSVP” get a thank-you right away, with no one typing it out.
NationBuilder sync
A keyword reply like “RSVP” automatically RSVPs that person to a NationBuilder event.
Learn more →SMS surveys
Use keyword replies to run simple SMS surveys, then see how contacts responded.
Information and links
Shares extra information, donation links or RSVP details the moment someone texts the keyword.
Detailed analytics
Shows how contacts respond, so you can improve your next send.
Replying by hand vs automatic reply
When a contact replies, the best time to answer is right now. Automatic reply responds instantly, with no one watching the inbox.
Manual replies and automatic replies
| Replying by hand | Automatic reply |
|---|---|
| Someone reads every reply and types a response. | Keyword replies are answered instantly. |
| Replies pile up overnight and on weekends. | Contacts get an answer the moment they reply. |
| RSVPs are copied into your database later. | RSVPs sync to NationBuilder automatically. |
| You can’t see which keywords people use. | Analytics show how contacts respond. |
How automatic reply works
Watch an automatic reply being set up
Choose a keyword
Pick the word contacts will reply with, like RSVP.
Write your reply
Add a thank-you, a link or more information.
Send your campaign
Contacts who reply with the keyword get your reply instantly.
Review the results
See who responded, and how.
See automatic reply in action
Book a 30 minute session and we’ll help you set up your first keyword reply.
Book a Demo
Automatic reply for every team that texts
Answer every response in seconds, even when no one is at the keyboard.
Advocacy organizations
- Petition and action confirmations
- Event RSVPs
- Quick polls
Nonprofits
- Event RSVPs
- Donation links on request
- Volunteer sign-ups
Unions
- Meeting RSVPs
- Vote information on request
- Member surveys
Political campaigns
- Event RSVPs
- Polling place information
- Volunteer shift sign-ups
Part of one campaign across every channel
Automatic reply is one piece of a unified campaign. Calls, texts and emails run together in CallHub, and every outcome is saved to the contact’s record, so each channel knows what to do next.
One record per contact
Calls, texts and emails all save to the same record, so your team always sees the full history.
The right next step
A non-answer can trigger a text and a commitment can trigger the next step, so nobody falls through the cracks.
No list rebuilding
Outcomes update the record in real time, so there’s no exporting and re-uploading between channels.
Hear from organizations winning with CallHub
Ready to answer every reply automatically?
Book a 30 minute session and we’ll help you set up your first automatic reply.
Questions about automatic replies
An automatic reply is a text that’s sent back automatically when a contact replies to your campaign with a keyword you’ve chosen. For example, when someone texts “RSVP”, they get a thank-you.
An SMS keyword is a word a contact texts to trigger an action, like RSVP, JOIN or GIVE.
You choose a keyword and write the reply. When a contact’s reply contains the keyword, CallHub sends your response automatically.
Yes. When someone replies “RSVP”, they get an instant thank-you. If you use NationBuilder, they’re also RSVP’d to your event automatically.
Yes. A keyword in an incoming text can RSVP the contact to a NationBuilder event, with no manual entry. See the NationBuilder integration.
Yes. Use keyword replies to collect answers to simple SMS surveys, and review the responses in your analytics.
Yes. You can share additional information and donation links, and use MMS to include images.
Texts people send to you are free to receive on CallHub. Your replies cost 1.9¢ per text on the pay-as-you-go Essentials plan, with $6 in free credits to start.







