Integration
Connect Nutshell to fastbill
When something happens in Nutshell, your agent does the next thing in fastbill. 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 Nutshell and fastbill 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 Nutshell can start in fastbill
When New Activity in Nutshell
then Add Payment for Invoice 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 Nutshell and fastbill
Triggers and actions 6 triggers · 30 actions
- Activity Logged
Triggers when an Activity is logged.
- Lead Won
Triggers when a lead is won.
- New Activity
Triggers when new Activity is created.
- New Company
Triggers when new Company is created.
- New Lead
Triggers when a new Lead is created.
- New Person
Triggers when new Person is created.
- Create Company
Creates a new Company.
- Create Lead
Creates a new Lead.
- Create Person
Creates a new Person.
- Find Company
Finds an existing company.
- Find Lead
Finds an existing lead by a particular field. Defaults to searching open leads, falls back to all leads.
- Find Person
Finds an existing person.
- Find User
Finds an existing User.
- Log Activity
Creates and logs a new Activity.
- Update Company
Updates an existing Company.
- Update Lead
Updates an existing Lead.
- Update Lead Outcome
Updates a Lead Outcome.
- Update Person
Updates an existing Person.
- Add Payment for Invoice
Adds full payment for invoice
- Add Payment for Revenue
Adds full payment for revenue
- Create Customer
Creates a new customer in FastBill
- Create Invoice
Creates a new invoice
- Create Offer
Creates a new offer in FastBill
- Create Revenue
Creates a revenue entry
- Delete Customer
Delete a FastBill customer by ID.
- Delete Invoice
Delete a FastBill invoice by ID.
- Delete Offer
Delete a FastBill offer/estimate by ID.
- Finalize Invoice
Converts an invoice draft to a final invoice
- Get Customer
Fetch a single FastBill customer by ID.
- Get Invoice
Fetch a single FastBill invoice by ID.
- Get Offer
Fetch a single FastBill offer/estimate by ID.
- Search Customer
Search for a Customer
- Search Invoice
Find an invoice
- Send Invoice by Email
Send an invoice by email
- Update Customer
Update fields on an existing FastBill customer.
- Update Invoice
Update 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
Nutshell and fastbill, answered
What can start an automation from Nutshell?
Any of Nutshell's 6 triggers in the catalog, including New Activity, New Company, New Lead and New Person. Describe the moment in plain language and your agent picks the right one.
What can your agent do in fastbill when something happens in Nutshell?
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 Nutshell?
fastbill has no triggers in the catalog today, so automations start in Nutshell. 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 Nutshell 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.
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.