The whole sending stack, run for you.
From the list you upload to the sale on your site, in one place.
Lists in, bad numbers out.
Upload CSV or Excel files up to 50 MB, or push contacts through the API. Numbers are normalised, duplicates handled the way you choose, and every number checked before you pay to send to it.
- CSV, Excel and API imports
- Keep first or last duplicate, per list, advertiser or account
- Carrier and line-type check, reused for 60 days
- Custom fields: text, number, date, yes/no, choice
spring-buyers.csvImported
Rows250,000
Duplicates skipped3,912
Invalid numbers1,207
Landlines removed18,400
Ready to send226,481
Example dataFlows on this list start automatically
Their time. Your pace.
Each flow sends inside a window in the contact's own time zone. Set how many contacts enter per batch, per hour and per day, skip weekends and holidays, and cap each route.
- Send window in contact time
- Batch size, hourly, daily and total caps
- Skip weekends, US holidays or any date
- Per-route hourly and daily limits
Send settingsSpring offer
Window10:00–20:00contact time
Contacts per hour50,000batches of 5,000
Daily cap400,000contacts
RunsOct 1–31total cap 2,000,000
Skip weekends
Skip US holidays
Fall back to route B if route A fails
Example data
Links that fill in the form for them.
Put contact fields into the destination URL. Each recipient gets a unique short link that opens your page with their name, ZIP and click reference already in it, so your form arrives pre-filled.
- Any contact or custom field in the URL
- Message reference to match clicks to sales
- Values URL-encoded for you
- One unique short link per recipient
Destination URLSpring offer
https://offers.example.com/spring
?fn={{ contact.first_name }}
&zip={{ contact.zip_code }}
&ref={{ message.id }}
For Dana in Denver
https://offers.example.com/spring?fn=Dana&zip=80205&ref=7Kq2Lx
In the text: slipit.to/x7Kq2Unique per recipient
Know what changed, and when to send.
Compare any two periods side by side, see revenue and profit by flow, template, route and carrier, and find the hours your contacts actually click.
- Compare periods with changes
- Best time to send, in contact time
- Per flow, template, route, carrier, state
- Message history for every contact
This month vs lastExample data
Sent1.24M+12%
Click rate7.4%+0.8 pts
Revenue$86,400+18%
Profit$41,200+22%
Best time to send: Tue–Thu, 11:00–14:00Mon–Sun × 8:00–21:00
And the details that save you time
Opt-out keywords
STOP, QUIT, END and more, editable, honoured per list, route or everywhere.
Cooldowns
Stop a contact getting texts from several flows on the same day.
Advertisers and brands
Keep each client's lists, templates and results apart.
API
Add contacts, tag in bulk, suppress or release numbers.
Outgoing webhooks
Clicks, leads, sales and replies sent to your systems, with your auth.
Segment counter
See GSM-7 or Unicode and the segment count while you write.
Simple flows
A short wizard when you just need one message sent well.
Excel export
Take any report grid into your own spreadsheets.