Integration
Connect Buttondown to Shift4
When something happens in Buttondown, your agent does the next thing in Shift4. Describe it and it is built, tested on every scenario and kept running.
What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.
Build solutions, not workarounds.
What do you want Buttondown and Shift4 to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiAny client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.
Set it up in your client
Claude Code
Run this in the directory you want to work in.
claude mcp add --transport http -s project apiant-ai https://mcp.apiant.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
Claude Code guide (opens in a new tab)Claude, web and desktop
Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.
Setup guide (opens in a new tab)Cursor
Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.
Setup guide (opens in a new tab)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)Codex and the ChatGPT desktop app
Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.
Setup guide (opens in a new tab)Any other MCP client
Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.
Setup guide (opens in a new tab)Example flows
What Buttondown can start in Shift4
When New Draft in Buttondown
then Add card in Shift4
When New Scheduled Email in Buttondown
then Add charge in Shift4
Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.
Everything your agent can do with Buttondown and Shift4
Triggers and actions 4 triggers · 50 actions
Trigger
New DraftTriggers when a new draft is created.
Trigger
New Scheduled EmailTriggers when a new email is scheduled.
Trigger
NewslettersTriggers when a new newsletter is created.
Trigger
New TagTriggers when a new tag is created.
Action
Add SegmentCreate a new subscriber segment.
Action
Add SurveyCreate a new survey.
Action
Create DraftCreates a draft.
Action
Create EmailCreates an email.
Action
Create SubscriberCreates a subscriber.
Action
Delete AutomationDelete an automation by id.
Action
Delete EmailDelete an email by id.
Action
Delete NewsletterDelete a newsletter by id.
Action
Delete SegmentDelete a subscriber segment by id.
Action
Delete SubscriberRemove a subscriber by id or email address.
Action
Delete SurveyDelete a survey by id.
Action
Delete TagDelete a tag by id.
Action
Find TagFinds a tag given its name.
Action
Get AutomationRetrieve a single automation by id.
Action
Get EmailRetrieve a single email by id.
Action
Get NewsletterRetrieve a single newsletter by id.
Action
Get SegmentRetrieve a single subscriber segment by id.
Action
Get SurveyRetrieve a single survey by id.
Action
Get TagRetrieve a single tag by id.
Action
List AutomationsList all automations configured on the account.
Action
List SegmentsList all subscriber segments.
Action
List SurveysList all surveys on the account.
Action
Publish EmailPublish a drafted email so it is sent and made public.
Action
Update AutomationUpdate an automation's configuration.
Action
Update EmailUpdate an existing email's content or metadata.
Action
Update NewsletterUpdate a newsletter's settings.
Action
Update SegmentUpdate a subscriber segment's definition.
Action
Update SurveyUpdate a survey's configuration.
Action
Update TagUpdate a tag's name or metadata.
Action
Add cardSaves a credit or debit card to an existing Shift4 customer, either from a card token / successful charge, or from full card details.
Action
Add chargeCreates a new charge to a customer or card.
Action
Add customerCreates a new customer in Shift4, optionally saving a card to them as their default card.
Action
Add planCreates a new subscription plan that customers can be subscribed to.
Action
Add refundRefunds an existing charge in full or in part, returning the funds to the card that was charged.
Action
Add subscriptionCreates a subscription that bills a customer automatically according to a plan.
Action
Delete cardDeletes a saved card from a Shift4 customer. If the deleted card was the customer's default, the most recently added card becomes the new default.
Action
Delete customerDeletes an existing Shift4 customer.
Action
Delete planDeletes a plan by ID.
Action
Delete subscriptionCancels/deletes an existing subscription by ID.
Action
Get chargeFetches a charge by ID.
Action
Get customerFetches a customer by ID.
Action
Get disputeFetches a dispute by ID.
Action
Get planFetches a plan by ID.
Action
Get refundRetrieves an existing Shift4 refund by its id.
Action
Get subscriptionFetches a subscription by ID.
Action
List cardsLists the saved cards of a Shift4 customer, most recently created first.
Action
List refundsReturns all refunds.
Action
Update chargeUpdates an existing Shift4 charge's customer, description, shipping, billing, fraud status or metadata. Fields left blank are unchanged.
Action
Update customerUpdates an existing Shift4 customer. Any field left blank is left unchanged.
Action
Update subscriptionUpdates an existing subscription. Any field left blank is left unchanged.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews
What our customers say
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Questions
Buttondown and Shift4, answered
What can start an automation from Buttondown?
Any of Buttondown's 4 triggers in the catalog, including New Draft, New Scheduled Email, New Tag and Newsletters. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Shift4 when something happens in Buttondown?
Any of Shift4's 21 actions, including Update charge, Update customer, Update subscription and Add card. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Shift4 to Buttondown?
Shift4 has no triggers in the catalog today, so automations start in Buttondown. If you need the other direction, ask: your agent reads Shift4's API documentation and adds it.
Do I have to build a connector for Buttondown or Shift4?
No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.
What happens when something fails?
Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.
Is there a free plan?
Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.