Integration
Connect PartnerStack to fastbill
When New Application Event fires in PartnerStack, your agent runs Add Payment for Invoice in fastbill. 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 PartnerStack and fastbill 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 PartnerStack can start in fastbill
When New Application Event in PartnerStack
then Add Payment for Invoice in fastbill
When New Customer Event in PartnerStack
then Create Customer in fastbill
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 PartnerStack and fastbill
Triggers and actions 7 triggers · 29 actions
Trigger
New Application EventTriggers when a partner application is submitted or changes (for example, approved or declined).
Trigger
New Customer EventTriggers when a customer is created or updated in your PartnerStack program.
Trigger
New Deal EventTriggers when a deal is created or updated (for example, its stage, amount or close date changes).
Trigger
New Lead EventTriggers when a lead is created or updated (for example, approved, declined or closed).
Trigger
New Partnership EventTriggers when a partnership is created or updated in your PartnerStack program.
Trigger
New Reward EventTriggers when a reward is created or changes (for example, declined, restored or updated).
Trigger
New Transaction EventTriggers when a transaction is recorded or changes.
Action
Create ActionRecords an action a partner or customer performed (for example, posted in a forum), creating any reward tied to that action.
Action
Create DealCreates a new deal attributed to the partner who registered it.
Action
Create LeadCreates a new lead attributed to the partner who referred it.
Action
Create PartnerCreates a new partner (partnership) in your PartnerStack program and optionally emails them an invitation.
Action
Create TransactionRecords a customer payment transaction so the referring partner is rewarded.
Action
Find CustomerLooks up a customer by their customer key (or email) and returns their details.
Action
Find LeadLooks up a lead by its lead key and returns its details.
Action
Find PartnerFinds a partner by their email address and returns the matching partnership.
Action
Update CustomerUpdates an existing customer's details, such as their name, email, or payment provider key.
Action
Update DealUpdates an existing deal, such as its stage, amount, or close date.
Action
Update LeadUpdates an existing lead, such as its status, approval, or amount.
Action
Add Payment for InvoiceAdds full payment for invoice
Action
Add Payment for RevenueAdds full payment for revenue
Action
Create CustomerCreates a new customer in FastBill
Action
Create InvoiceCreates a new invoice
Action
Create OfferCreates a new offer in FastBill
Action
Create RevenueCreates a revenue entry
Action
Delete CustomerDelete a FastBill customer by ID.
Action
Delete InvoiceDelete a FastBill invoice by ID.
Action
Delete OfferDelete a FastBill offer/estimate by ID.
Action
Finalize InvoiceConverts an invoice draft to a final invoice
Action
Get CustomerFetch a single FastBill customer by ID.
Action
Get InvoiceFetch a single FastBill invoice by ID.
Action
Get OfferFetch a single FastBill offer/estimate by ID.
Action
Search CustomerSearch for a Customer
Action
Search InvoiceFind an invoice
Action
Send Invoice by EmailSend an invoice by email
Action
Update CustomerUpdate fields on an existing FastBill customer.
Action
Update InvoiceUpdate fields on an existing (draft) FastBill invoice.
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
PartnerStack and fastbill, answered
What can start an automation from PartnerStack?
Any of PartnerStack's 7 triggers in the catalog, including New Application Event, New Customer Event, New Deal Event and New Lead Event. Describe the moment in plain language and your agent picks the right one.
What can your agent do in fastbill when something happens in PartnerStack?
Any of fastbill's 18 actions, including Create Customer, Create Invoice, Create Offer and Create Revenue. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from fastbill to PartnerStack?
fastbill has no triggers in the catalog today, so automations start in PartnerStack. If you need the other direction, ask: your agent reads fastbill's API documentation and adds it.
Do I have to build a connector for PartnerStack or fastbill?
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 PartnerStack and fastbill 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.