Integration
Connect Authorize.net and Watermelon
When New Transaction fires in Authorize.net, your agent runs Add Contact in Watermelon, or New Contact in Watermelon to Create a Subscription from a Customer Profile in Authorize.net. 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 Authorize.net and Watermelon to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiOne connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any 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)Grok
Open grok.com/connectors, choose New Connector, then Custom, and paste the address. Grok signs you in in your browser.
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 Authorize.net and Watermelon can do together
From Authorize.net to Watermelon
When New Transaction in Authorize.net
then Add Contact in Watermelon
From Watermelon to Authorize.net
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 Authorize.net and Watermelon
Triggers and actions 7 triggers · 40 actions
- New Transaction
Triggers when a new transaction (charge, authorization, refund or void) is submitted.
- Authorize a Credit Card
Authorizes an amount on a credit card without capturing it. Capture it later with Capture a Previously Authorized Amount.
- Cancel a Subscription
Cancels a subscription. No further payments are charged.
- Capture a Previously Authorized Amount
Captures funds from a transaction that was authorized earlier.
- Charge a Credit Card
Charges a credit card in one step (authorize and capture) and returns the transaction result.
- Charge a Customer Profile
Charges a saved customer payment profile.
- Create a Subscription
Creates a recurring-billing subscription charged to a credit card.
- Create a Subscription from a Customer Profile
Creates a recurring-billing subscription charged to a saved customer payment profile.
- Create Customer Payment Profile
Saves a credit card on an existing customer profile.
- Create Customer Profile
Creates a customer profile, optionally with a saved card and billing address.
- Create Customer Profile from a Transaction
Saves the customer, card and addresses from an existing transaction as a new customer profile.
- Create Customer Shipping Address
Adds a shipping address to a customer profile.
- Credit a Bank Account
Sends money to a bank account by eCheck (ACH), as a refund of an earlier bank debit or as a standalone credit.
- Debit a Bank Account
Charges a bank account by eCheck (ACH).
- Delete Customer Payment Profile
Deletes a saved payment profile.
- Delete Customer Profile
Deletes a customer profile and everything saved on it.
- Delete Customer Shipping Address
Deletes a shipping address from a customer profile.
- Get Customer Payment Profile
Returns one saved payment profile.
- Get Customer Profile
Returns a customer profile with its payment profiles and shipping addresses. Look it up by profile ID, your customer ID, or email.
- Get Customer Shipping Address
Returns one shipping address from a customer profile.
- Get Subscription
Returns a subscription's details, including its status.
- Get Transaction Details
Returns the full details of one transaction by its transaction ID.
- List Customer Profile IDs
Returns the IDs of every customer profile in the account.
- List Settled Batches
Returns settlement batches within a date range (up to 31 days).
- List Subscriptions
Returns subscriptions by status: active, expiring this month, card expiring this month, or past due (cardExpiringThisMonth, subscriptionActive, subscriptionInactive, subscriptionExpiringThisMonth).
- List Transactions in a Settled Batch
Returns the transactions in one settlement batch.
- List Unsettled Transactions
Returns transactions that have not settled yet, newest first.
- Refund a Transaction
Refunds a settled credit card transaction, in full or in part.
- Update a Subscription
Changes a subscription's name, amount, number of payments, card or billing address. Fields left blank keep their current values.
- Update Customer Payment Profile
Replaces a saved payment profile's card and billing address. Fields left blank are cleared.
- Update Customer Profile
Updates a customer profile's ID, description or email. Fields left blank are cleared.
- Update Customer Shipping Address
Replaces a shipping address on a customer profile. Fields left blank are cleared.
- Void a Transaction
Cancels an unsettled transaction so it is never submitted for settlement.
- Archive Conversation
Triggers when a Watermelon conversation is archived.
- Handover Conversation Agent
Triggers when a Watermelon conversation is handed over to a human agent (its assigned agent changes).
- Handover Conversation Team
Triggers when a Watermelon conversation is handed over to a team (its assigned team changes).
- New Contact
Triggers when a new contact is added in Watermelon.
- New Conversation
Triggers when a new conversation starts in Watermelon.
- Updated Contact
Triggers when a Watermelon contact is created or updated.
- Add Contact
Creates a new contact in Watermelon and returns its ID.
- Find Contact
Returns a Watermelon contact by its ID.
- Find Conversation
Returns a Watermelon conversation by its ID.
- Get conversation
Returns a single conversation by its ID, including its messages, tags, channel and status.
- Get message
Returns a single message by its ID, including its text, type, conversation and read status.
- Search Contacts
Searches Watermelon contacts for a value such as a name, email or phone number and returns the matches.
- Sends a Message
Sends a message in a Watermelon conversation, or starts a new conversation when no conversation ID is given, and returns the message ID.
- Updates an Existing Contact
Updates an existing Watermelon contact's name, email or phone number.
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
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Questions
Authorize.net and Watermelon, answered
What can start an automation from Authorize.net?
Any of Authorize.net's 1 trigger in the catalog, including New Transaction. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Watermelon when something happens in Authorize.net?
Any of Watermelon's 8 actions, including Add Contact, Find Contact, Find Conversation and Get conversation. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Watermelon to Authorize.net?
Yes. When something happens in Watermelon, your agent can act in Authorize.net too. This page covers both directions: Watermelon's triggers and Authorize.net's actions are listed here as well.
Do I have to build a connector for Authorize.net or Watermelon?
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.
Can my AI client use Authorize.net and Watermelon without building an automation?
Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both.
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.