Integration
Connect BigMailer to Modern Treasury
When New Contact fires in BigMailer, your agent runs Add invoice in Modern Treasury. 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 BigMailer and Modern Treasury 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)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 BigMailer can start in Modern Treasury
When New Contact in BigMailer
then Add invoice in Modern Treasury
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 BigMailer and Modern Treasury
Triggers and actions 1 trigger · 49 actions
- New Contact
Triggered when a new contact is created in a BigMailer brand.
- Add/Update Contact
Creates a BigMailer contact, or updates the existing contact with that email address. Custom fields for the selected brand can be mapped alongside list membership and unsubscribe settings.
- Create a bulk campaign
Creates a bulk email campaign in a BigMailer brand — name, subject, sender, content, recipient lists, tracking and optional schedule.
- Create an RSS campaign
Creates an RSS-to-email campaign in a BigMailer brand: watches a feed URL and emails new items on the schedule you choose.
- Create a transactional campaign
Creates a transactional campaign in a BigMailer brand — the reusable email template and settings you later send one-off emails with.
- Create list
Creates a new contact list inside a BigMailer brand.
- Create segment
Creates a segment in a BigMailer brand: a saved set of conditions that picks out the contacts you want to target.
- Create template
Creates a reusable email or landing-page template in a BigMailer brand.
- Delete contact
Deletes a contact from a BigMailer brand, by contact ID or email address.
- Delete list
Deletes a contact list from a BigMailer brand.
- Delete segment
Deletes a segment from a BigMailer brand.
- Delete template
Deletes a template from a BigMailer brand.
- Get brand
Returns one BigMailer brand: its name, default sender, bounce settings, contact count and engagement stats.
- Get bulk campaign
Returns one bulk campaign from a BigMailer brand, including its content, recipients and send statistics.
- Get contact
Returns one BigMailer contact by ID or email address, including its custom field values.
- Get list
Returns one contact list from a BigMailer brand.
- Get RSS campaign
Returns one RSS campaign from a BigMailer brand, including its feed URL, schedule and content.
- Get segment
Returns one segment from a BigMailer brand, including the conditions that define it.
- Get template
Returns one template from a BigMailer brand, including its HTML.
- Get transactional campaign
Returns one transactional campaign from a BigMailer brand, including its content and send statistics.
- List brands
Lists the brands in your BigMailer account.
- List bulk campaigns
Lists the bulk campaigns in a BigMailer brand.
- List contacts
Lists the contacts in a BigMailer brand, optionally limited to one list.
- List lists
Lists the contact lists in a BigMailer brand.
- List RSS campaigns
Lists the RSS campaigns in a BigMailer brand.
- List segments
Lists the segments in a BigMailer brand.
- List senders
Lists the sending identities in a BigMailer brand.
- List templates
Lists the templates in a BigMailer brand.
- List transactional campaigns
Lists the transactional campaigns in a BigMailer brand.
- Update a bulk campaign
Updates an existing bulk campaign in a BigMailer brand. Only the fields you fill in are changed.
- Update an RSS campaign
Updates an existing RSS campaign in a BigMailer brand. Only the fields you fill in are changed.
- Update a transactional campaign
Updates an existing transactional campaign in a BigMailer brand. Only the fields you fill in are changed.
- Update brand
Updates an existing BigMailer brand — its name, default sender name and email, website URL, unsubscribe text, bounce thresholds, contact limit and logo. Only the fields you fill in are changed.
- Update list
Renames an existing contact list inside a BigMailer brand.
- Update segment
Updates an existing BigMailer segment — its name, match operator (all/any) and its list of conditions. Only the fields you fill in are changed.
- Update template
Updates an existing BigMailer template — its name, type, HTML content and account-wide sharing. Only the fields you fill in are changed.
- Add counterparty
Creates a counterparty — a person or business you send payments to or receive payments from — optionally with its bank accounts and legal entity.
- Add expected payment
Creates an expected payment in Modern Treasury so an incoming or outgoing payment can be reconciled automatically when it arrives.
- Add external account
Creates an external bank account for a counterparty in Modern Treasury, with its account numbers, routing details and owner information.
- Add invoice
Creates an invoice for a counterparty, payable to one of your internal accounts.
- Add ledger transaction
Creates a ledger transaction made of balanced debit and credit entries against your ledger accounts.
- Add payment order
Creates a payment order that moves money between one of your internal accounts and a counterparty's or another internal account.
- Delete counterparty
Deletes a counterparty from your Modern Treasury organization.
- Get counterparty
Returns a single counterparty, including its accounts, contact details and metadata.
- Get invoice
Returns a single invoice by its ID, including its amounts, status, counterparty and line-item details.
- Get ledger transaction
Returns one ledger transaction, including its ledger entries, status and metadata.
- Get payment order
Returns the details of a single payment order, including its amount, status, direction and accounts.
- List internal accounts
Returns the organization's internal (bank) accounts, optionally filtered by counterparty, legal entity, currency, status or payment capability.
- Update counterparty
Updates an existing counterparty's name, email, external ID, legal entity, metadata, remittance-advice setting or taxpayer identifier. Returns the updated counterparty.
- Update payment order
Updates an existing payment order, for example changing its amount, description, metadata or status (such as cancelling or approving it). Returns the updated payment order.
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
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Questions
BigMailer and Modern Treasury, answered
What can start an automation from BigMailer?
Any of BigMailer's 1 trigger in the catalog, including New Contact. Describe the moment in plain language and your agent picks the right one.
What can your agent do in Modern Treasury when something happens in BigMailer?
Any of Modern Treasury's 14 actions, including Update counterparty, Update payment order, Add counterparty and Add expected payment. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Modern Treasury to BigMailer?
Modern Treasury has no triggers in the catalog today, so automations start in BigMailer. If you need the other direction, ask: your agent reads Modern Treasury's API documentation and adds it.
Do I have to build a connector for BigMailer or Modern Treasury?
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 BigMailer and Modern Treasury 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.