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What you can do with Stax

Every task in plain language. Pick one, and we can help you get access.

133 things you can do

Stax

Stax (formerly Fattmerchant) is an Orlando, Florida payments technology company that sells subscription-priced payment processing to small and large merchants (Stax Pay), embedded payments and merchant onboarding to SaaS platforms and ISVs (Stax Connect), compliant credit-card surcharging (CardX by Stax), automated subscription billing (Stax Bill), and full-stack processing for partners and ISOs (

Accounts Receivable Management

Schedule a recurring or one-time invoiceCreate an invoice for a customerUpdate an existing invoiceDelete an invoiceEdit an invoice scheduleDelete a recurring invoice scheduleMark an invoice paid by cash, check or gift cardPay an invoice with a payment methodEmail an invoice to the customerText an invoice to the customerList and search invoicesGet one invoiceList scheduled invoices

Customer Data Management

Create a customer recordUpdate an existing customerDelete a customerList and filter customersGet one customer's detailsList a customer's payment methods

Webhook & Event Subscription Management

Create a webhook for all my merchantsDelete a webhookCreate a partner-level brand webhookDelete a partner-level brand webhookList my webhooksList partner-level brand webhooksGet a partner-level brand webhook

Other things you can do

Enroll a merchant, registration and user at onceVerify a saved payment methodDelete an uploaded fileSave a bank account (ACH) payment methodSave a credit or debit card payment methodUpdate a saved payment methodDelete a customer's payment methodCopy a payment method to an external gatewayCharge a saved payment methodAdd or update team settingsSet an advanced customization fieldAdd a new user to my teamEdit my team's company detailsCreate a new merchant teamUpdate a team memberUpdate my team's registrationSet my team's brandingSend a credit to a saved payment methodUpdate my own user profileSelf-register a new user accountResend the verification emailStart a password reset for a userUpload a fileDelete a dispute evidence fileUpdate an uploaded fileUpload evidence for a disputeQueue a card-present sale on a terminalRun a card-present sale on a terminal nowGive a standalone credit on a terminalPrint a custom message on a terminalPrompt a multiple-choice question on a terminalPrompt for free-text input on a terminalCapture a signature on a terminalRefund a sale by re-presenting the cardSave a card from the terminal to a customerVoid a terminal sale or refund it if batchedVoid an unbatched terminal saleAdd an item to the catalogDecrease an item's stockUpdate a catalog itemDelete a catalog itemIncrease an item's stockCapture a pre-authorized transactionEmail a transaction receiptRefund a batched transactionText a transaction receiptUpdate a manual transactionVoid or refund a transaction by statusVoid an unprocessed transactionSubmit dispute evidence for reviewUpload a file to a merchant's registrationCreate a merchantCreate an API key for a merchantRemove a file from a merchant's registrationUpdate a merchant's registration dataLink an existing user to a merchantUnlink a user from a merchantCreate a payment linkUpdate or deactivate a payment linkDelete a payment linkUpdate a payment link's sales statsSet a new password with a reset tokenList all payment methods on the merchantGet a payment methodList my team's usersGet a team memberGet my team's registrationList my team's API keysCheck whether an email is already registeredGet my user and team infoVerify an email confirmation tokenIssue a short-lived authentication tokenList uploaded filesGet a file by IDGet files by tagList terminal devicesCheck a terminal transaction's statusList catalog itemsGet a catalog itemList item codesPreview the surcharge for a payment methodGet a transaction's child transactionsGet a transaction's split-funding instructionsGet a transaction's detailsList and filter transactionsList a merchant's required registration documentsList disputes for a specific merchantList my own disputesGet a merchant's terms and conditionsList and filter merchantsList a merchant's API keysGet a merchantGet a merchant's registration dataReport ACH rejections for a date rangeReport card processing volumeList payment linksReport daily sales, fees and surchargesGet a payment link's detailsReport disputes on the statementCheck if a payment link is activeGet the detail of a deposit batchList depositsReport refunds and adjustmentsReport surcharges collectedGet summary stats for my teamReport volume by card brandCheck a password reset token