Documentation hub
=================

Access developer guides and resources to help you build, optimize, and scale  
![](/content/experience-fragments/developer-center/cybs-dev-center/doc-hub/dochubimage/dochubimage/jcr:content/root/columncontrol_copy/par2/contentwell/contentWell/image.img.png/1750885731214.png)  
All
Merchants

*** ** * ** ***

Popular Use Cases
-----------------

[<br />
Accept Payments
Learn how to construct payment requests and handle responses for online and card-present transactions
<br />
<br />](/docs/cybs/en-us/payments/developer/ctv/rest/payments/payments-intro.md)  
[<br />
Authentication
Create and use security keys to send and receive API messages
<br />
<br />](/docs/cybs/en-us/security-keys/user/all/ada/security-keys/keys-intro.md)  
[<br />
Pay by Link
Easy and fast way to sell products or accept donations without any coding
<br />
<br />](/docs/cybs/en-us/paybylink/developer/all/rest/paybylink/paybylink-intro.md)  
[<br />
Token Management
Provides a single integration point to provision, retrieve, and manage network tokens and cryptograms across card brands, enabling secure, PCI-compliant storage and omnichannel payment orchestration
<br />
<br />](/docs/cybs/en-us/tms/developer/all/rest/tms/tms-overview.md)  
[<br />
eCheck
Learn how to accept eChecks by mail, phone, or online
<br />
<br />](/docs/cybs/en-us/echeck/user/all/rest/echeck-user-guide/echeck-txnprocess-intro.md)  
[<br />
ACH
Learn how to collect and process ACH transactions with our gateway solutions
<br />
<br />](/content/dam/new-documentation/documentation/en/e-checks/developer/all/so/e-checks-so.pdf)  
[<br />
Recurring Billing
Manage payment plans or subscriptions for recurring payment schedules
<br />
<br />](/docs/cybs/en-us/recurring-billing/developer/all/rest/recurring-billing-dev/recur-bill-dev-intro.md)  
[<br />
Invoicing
Create, update, resend, cancel, and manage your custom invoices
<br />
<br />](/docs/cybs/en-us/invoicing/developer/all/rest/invoicing/Introduction.md)  
[<br />
Payouts
Disperse funds to vendors, freelancers , partners, or employees
<br />
<br />](/docs/cybs/en-us/payouts/developer/ctv/rest/payouts-dev/payouts-intro-intro.md)  
[<br />
Webhooks
Automated notifications generated by system events that occur for your organization
<br />
<br />](/docs/cybs/en-us/webhooks/implementation/all/rest/webhooks/wh-fg-intro.md)

Digital Acceptance
------------------

[<br />
Click to Pay
A digital payment solution that streamlines the checkout process by allowing customers to pay with their preferred card network without repeatedly entering card details
<br />
<br />](/docs/cybs/en-us/click-to-pay/developer/all/rest/click-to-pay/ctp-intro.md)  
[<br />
Microform
Streamline PCI-DSS complaince without compromising user experience
<br />
<br />](/docs/cybs/en-us/digital-accept-flex/developer/all/rest/digital-accept-flex/payments_intro_digt_accpt_sec_intg.md)  
[<br />
Unified Checkout
Provides a single interface with which you can accept numerous types of digital payments
<br />
<br />](/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-intro.md)

Acceptance Devices
------------------

[<br />
Retail
Power your retail experience by integrating to with our in-store payment APIs and start creating a unified payment shopping experience for your customers
<br />
<br />](/docs/cybs/en-us/cp-retail/integration/ctv/rest/cp-retail/cp-intro-cpc.md)  
[<br />
Transit
Make mass transit a frictionless, convenient, and fully-integrated part of your riders' digital lifestyles
<br />
<br />](/docs/cybs/en-us/urban-mobility/developer/ctv/rest/mass-transit/um-intro-overview.md)  
[<br />
Tap to Pay
Point of Sale application that runs on Android smartphones and can turn a smartphone into a payment terminal
<br />
<br />](/docs/cybs/en-us/tap-to-phone/integration/all/rest/tap-to-phone/tap-to-phone-intro.md)

Popular Use Cases
-----------------

[<br />
Accept Payments
Learn how to construct payment requests and handle responses for online and card-present transactions
<br />
<br />](/docs/cybs/en-us/payments/developer/ctv/rest/payments/payments-intro.md)  
[<br />
Authentication
Create and use security keys to send and receive API messages
<br />
<br />](/docs/cybs/en-us/security-keys/user/all/ada/security-keys/keys-intro.md)  
[<br />
Pay by Link
Easy and fast way to sell products or accept donations without any coding
<br />
<br />](/docs/cybs/en-us/paybylink/developer/all/rest/paybylink/paybylink-intro.md)  
[<br />
Token Management
Provides a single integration point to provision, retrieve, and manage network tokens and cryptograms across card brands, enabling secure, PCI-compliant storage and omnichannel payment orchestration
<br />
<br />](/docs/cybs/en-us/tms/developer/all/rest/tms/tms-overview.md)  
[<br />
eCheck
Learn how to accept eChecks by mail, phone, or online
<br />
<br />](/docs/cybs/en-us/echeck/user/all/rest/echeck-user-guide/echeck-txnprocess-intro.md)  
[<br />
ACH
Learn how to collect and process ACH transactions with our gateway solutions
<br />
<br />](/content/dam/new-documentation/documentation/en/e-checks/developer/all/so/e-checks-so.pdf)  
[<br />
Recurring Billing
Manage payment plans or subscriptions for recurring payment schedules
<br />
<br />](/docs/cybs/en-us/recurring-billing/developer/all/rest/recurring-billing-dev/recur-bill-dev-intro.md)  
[<br />
Invoicing
Create, update, resend, cancel, and manage your custom invoices
<br />
<br />](/docs/cybs/en-us/invoicing/developer/all/rest/invoicing/Introduction.md)  
[<br />
Payouts
Disperse funds to vendors, freelancers , partners, or employees
<br />
<br />](/docs/cybs/en-us/payouts/developer/ctv/rest/payouts-dev/payouts-intro-intro.md)  
[<br />
Webhooks
Automated notifications generated by system events that occur for your organization
<br />
<br />](/docs/cybs/en-us/webhooks/implementation/all/rest/webhooks/wh-fg-intro.md)

Digital Acceptance
------------------

[<br />
Click to Pay
A digital payment solution that streamlines the checkout process by allowing customers to pay with their preferred card network without repeatedly entering card details
<br />
<br />](/docs/cybs/en-us/click-to-pay/developer/all/rest/click-to-pay/ctp-intro.md)  
[<br />
Microform
Streamline PCI-DSS complaince without compromising user experience
<br />
<br />](/docs/cybs/en-us/digital-accept-flex/developer/all/rest/digital-accept-flex/payments_intro_digt_accpt_sec_intg.md)  
[<br />
Unified Checkout
Provides a single interface with which you can accept numerous types of digital payments
<br />
<br />](/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-intro.md)

Acceptance Devices
------------------

[<br />
Retail
Power your retail experience by integrating to with our in-store payment APIs and start creating a unified payment shopping experience for your customers
<br />
<br />](/docs/cybs/en-us/cp-retail/integration/ctv/rest/cp-retail/cp-intro-cpc.md)  
[<br />
Transit
Make mass transit a frictionless, convenient, and fully-integrated part of your riders' digital lifestyles
<br />
<br />](/docs/cybs/en-us/urban-mobility/developer/ctv/rest/mass-transit/um-intro-overview.md)  
[<br />
Tap to Pay
Point of Sale application that runs on Android smartphones and can turn a smartphone into a payment terminal
<br />
<br />](/docs/cybs/en-us/tap-to-phone/integration/all/rest/tap-to-phone/tap-to-phone-intro.md)