Integration
Connect Reply to Shift4
When New Email Opened fires in Reply, your agent runs Add customer in Shift4. Describe the whole flow 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 Reply 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 Reply can start in Shift4
When New Email Opened in Reply
then Add customer in Shift4
When New Emails Sent in Reply
then Update customer 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 Reply and Shift4
Triggers and actions 7 triggers · 37 actions
Trigger
Inbox Category Set for ReplyTriggers when an email reply in Reply is given an inbox category, automatically or by a user.
Trigger
New Email OpenedTriggers when a contact opens a tracked email sent from Reply.
Trigger
New Emails SentTriggers when Reply sends an email from a sequence step.
Trigger
New Link ClickedTriggers when a recipient clicks a tracked link in an email sent from Reply.
Trigger
New Person BounceTriggers when an email sent from Reply bounces or is rejected by the recipient's mail server.
Trigger
New Person Opt OutTriggers when a contact opts out of outreach in Reply (unsubscribe link, manual opt-out, or marked Do Not Contact).
Trigger
Prospect FinishedTriggers when a contact's participation in a Reply sequence ends — completed, replied, bounced, opted out, or finished manually.
Action
Add contact listCreates a new contact list in Reply, optionally shared with your team.
Action
Add note to contactAdds a note to a contact's timeline in Reply.
Action
Add sequenceCreates a new sequence in Reply with its steps, schedule, sending accounts and settings.
Action
Create\Update PersonCreates a Reply contact, or updates the existing contact with the same email address.
Action
Delete contactDeletes a contact from your Reply account.
Action
Find contacts by criteriaReturns the contacts that match a search term and/or field rules, optionally scoped to a contact list, sequence or sequence step.
Action
Get contactReturns one Reply contact by its id, including profile details, owner, opt-out, call and meeting status, stage and custom fields.
Action
Get sequenceReturns one sequence in full: name, status, owner, schedule, settings, connected email and LinkedIn accounts, and its steps.
Action
List contact listsReturns the contact lists you own plus those shared with your team, optionally filtered by name.
Action
List contactsReturns your Reply contacts, optionally narrowed to one email address or LinkedIn profile URL.
Action
List inbox categoriesReturns the inbox categories you can file conversations under.
Action
List Sequence ContactsReturns the contacts enrolled in a sequence, with each contact's status, current step, added date, opt-out and call status.
Action
List sequencesReturns the sequences in your Reply account, optionally filtered by status, owner, folder, archive state or name.
Action
Mark as FinishedMarks one or more contacts as finished in every sequence they are in, so they receive no further sequence steps.
Action
Remove Person From CampaignRemoves a contact from a sequence so they stop progressing through it. The contact and their history stay in your Reply account.
Action
Send Test Webhook EventSends a test event from an existing Reply webhook subscription to its configured URL.
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
More from Reply
Reply to SalesforceSalesforce is a leading enterprise customer relationship management (CRM) platform.
Reply to SlackSlack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...
Reply to StripeStripe is a payment processing platform for online businesses.
Reply to ShopifyShopify is a commerce platform for online stores and retail point-of-sale.
Reply to TrelloTrello is a visual collaboration tool that organizes projects into boards, lists, and cards.
Reply to ZoomZoom unifies cloud video conferencing, simple online meetings, group messaging, and a software-based...
More into Shift4
Instagram to Shift4Instagram is a social media platform for sharing photos, videos, and stories.
HubSpot to Shift4HubSpot is your all-in-one stop for all of your marketing software needs.
Salesforce to Shift4Salesforce is a leading enterprise customer relationship management (CRM) platform.
Slack to Shift4Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...
Google Sheets to Shift4Google Sheets
Gmail to Shift4Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...
Questions
Reply and Shift4, answered
What can start an automation from Reply?
Any of Reply's 7 triggers in the catalog, including New Email Opened, New Emails Sent, New Link Clicked and New Person Bounce. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Shift4 when something happens in Reply?
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 Reply?
Shift4 has no triggers in the catalog today, so automations start in Reply. 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 Reply 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.