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description=Welcome to the PaySimple Developer Portal. This guide serves to set you up for success right from the beginning. PaySimple has multiple API options to best suit your development needs. Please do not begin development until you have met with our integration team. Please send your requests to partners…;

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welcome for ai agents the docs index is at https documentation paysimple com llms txt append md to any documentation page url to get its markdown version jump to content guides api reference support guides api reference api 4 5 payments api shared services guides api reference support log in guides log in api 4 5 guides api reference welcome overview welcome security and compliance environments sandbox production frequently asked questions api 4 0 overview paysimplejs overview how it works vaulting accounts and making payments code sample working with existing customers code sample customizations stripe 3d secure authentication product 3 processing api 5 0 overview authorization catalog custom fields merchants orders hosted payment links webhooks webhooks payment events customer and offering events embeddables overview buy now button sdks sdk for net on github powered by welcome welcome to the paysimple developer portal this guide serves to set you up for success right from the beginning paysimple has multiple api options to best suit your development needs please do not begin development until you have met with our integration team please send your requests to email protected payments api the paysimple payments api is a high performance scalable rest api purpose built for partners requiring payment gateway functionality it is the quickest way for you to begin payment acceptance and for most businesses this is our standard recommendation to view our payments api guides and api reference please select v2019 in the dropdown in the upper left corner of this page payments api guide see merchant endpoints on the api reference tab payments api reference i need to solution collect payments within my website collect payments quick start collect emv swipe contactless payments at a point of sale system card present transactions collect payments directly in my mobile application mobile sdk support submit a new merchant application applications api 4 and api 5 api 4 is our full featured legacy api this api is customer centric and best suited for businesses that need additional features that are not supported in our payments api api 4 will continue to be fully supported and maintained for the foreseeable future api 5 is another api that builds upon api 4 features api 4 and api 5 will be used in conjunction for some functionality such as authorization api 4 and api 5 guides can all be found on this page in the left navigation api 4 endpoints see api reference tab on the top of this page i need to solution collect payments directly from my website paysimplejs checkout form can t find an answer to your question contact our support team at email protected updated over 1 year ago what s next security and compliance did this page help you yes no payments api api 4 and api 5