S4+KPShift4 + KwickPhone
Beta — available now
Payments · Shift4

Take payment on the call, through Shift4.

KwickPhone collects payment right on the phone — PCI-compliant (SAQ-A) — through Shift4. It charges a card on file or takes a new one, tokenized and secure, with no one ever reading a card number out loud.

Get started — freeHear it work
Answers 24/7English & SpanishPCI-compliantNo new hardware
🚀 The Shift4 connector is built and in beta. KwickPhone answers the call and takes the order today, and the direct Shift4 connection is ready to enable — some accounts need Shift4 partner approval first. Request access → and we’ll switch it on.
A real Shift4 business taking a call while KwickPhone answers
What you’ll need

Get your Shift4 details ready

Connection type: API key

  • Secret key — Shift4 secret key (sk_…)
  • Public key — Shift4 public key (pk_…)
  • Environment — test or live

Have these ready and connecting takes a minute.

How it works

Get paid on the call with Shift4.

01

Answers every call

24/7, on the first ring, in English or Spanish — while you run the floor or work the job.

02

Charges securely

The card is tokenized through Shift4 — it never touches your servers or ours (PCI SAQ-A). A card on file, or a new one, charged on the call.

03

Money lands, receipt sent

The payment settles through Shift4 to your account, and the caller gets a receipt by text — and no chargebacks from a misheard digit.

Charge on the callCard-on-file, tokenizedIntegrated processor
In practice

It's Friday at 4 p.m. and a customer calls to confirm a same-day appliance repair, but the technician won't be dispatched until the service call fee is collected. KwickPhone confirms the amount owed, reads it back to the caller, and collects the card details as spoken digits that are tokenized directly through Shift4 before anything is stored. The card number is never repeated aloud and never written to a transcript; only the Shift4 token and the last four digits are retained on the call record. Once Shift4 returns an approval, KwickPhone confirms the charge to the caller and attaches the payment reference to the job so the dispatcher sees it cleared before sending the truck.

Part of the 319-app KwickPhone platform

Shift4 is one connection — KwickPhone is also running Deposits & Holds, Pay-by-Text Invoices, Quotes & Estimates, Digital Gift Cards and POS for the same business, all from the one phone number.

Deposits & HoldsPay-by-Text InvoicesQuotes & EstimatesDigital Gift CardsPOS

Questions

Do I have to switch processors?
No — if you process with Shift4, KwickPhone charges through it. The card is tokenized (PCI SAQ-A) and no number is ever read aloud.
Can it take payment on the call?
Yes — fully PCI-compliant. It charges a card on file or takes a new one, and no one reads a card number out loud.
How long does setup take?
Minutes. Sign up yourself and set it up by talking — no website or typing required.
What happens to a call if Shift4 is down or rejects the card mid-call?
KwickPhone waits for the authorization response from Shift4 and tells the caller in real time if the charge fails or times out. On a decline it can offer to retry with another card; on an outage it can take the caller's callback details and flag the job as payment-pending rather than confirming a charge that never cleared. No charge is ever assumed successful without a response from Shift4.
Where does the actual card data live, and what does KwickPhone keep?
Card numbers are tokenized inside Shift4 and are not retained by KwickPhone. What we store against the call is the Shift4 transaction ID, the amount, the last four digits, and the approval status. If you leave KwickPhone later, your customers and their stored payment methods remain in your Shift4 account, because that is where they were held the entire time.
Can I run separate Shift4 accounts for different locations?
Yes. Each location or phone line can be mapped to its own Shift4 account or sub-merchant, so charges, payouts, and reporting stay separated by store. You control which line routes to which Shift4 credentials, and refunds are attributed back to the location that took the original call.
What is deliberately not automated on the payment side?
KwickPhone collects and authorizes charges on the call but does not issue refunds, chargeback responses, or dispute handling on its own. Those are done by your staff directly in Shift4, since they involve judgment and records you already manage there. KwickPhone also does not set your pricing or fees; it charges the amount your workflow specifies.

Take payment on the call with Shift4.

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