Integration
Connect Google Sheets to fastbill
When something happens in Google Sheets, 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 Google Sheets and fastbill to do together?
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Connect your AI client
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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 Google Sheets can start in fastbill
When Aggregate Metric Changed in Google Sheets
then Add Payment for Invoice in fastbill
When Cell Range Values Changed in Google Sheets
then Add Payment for Revenue 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 Google Sheets and fastbill
Triggers and actions 16 triggers · 64 actions
Trigger
Aggregate Metric ChangedFires when an aggregate metric (sum/avg/count/…) over a column changes.
Trigger
Cell Range Values ChangedFires when the values in a specific cell range change.
Trigger
Conditional Format Rule ChangedFires when a conditional-format rule changes.
Trigger
Data Validation Rule ChangedFires when a data-validation rule changes.
Trigger
Developer Metadata ChangedFires when developer metadata changes.
Trigger
Filtered Range Values ChangedFires when the values in a filtered range change.
Trigger
New RowsFires when new rows are appended to a Google Sheet.
Trigger
New Sheet AddedFires when a new sheet (tab) is added to a spreadsheet.
Trigger
New Spreadsheet CreatedFires when a new spreadsheet is created in the account.
Trigger
Spreadsheet Metadata ChangedFires when spreadsheet metadata changes.
Trigger
Spreadsheet Properties ChangedFires when spreadsheet properties change.
Trigger
Spreadsheet Row ChangedFires when a row matching a query changes.
Trigger
Spreadsheet Search MatchFires when a spreadsheet matching search criteria is found.
Trigger
Table Query Result ChangedFires when the result of a SQL-style table query changes.
Trigger
Table Schema ChangedFires when a table's column schema changes.
Trigger
Worksheet Names ChangedFires when worksheet (tab) names change.
Action
Add RowAppend a row to a Google Sheet
Action
Aggregate Column DataRead a range and compute an aggregate (sum|avg|min|max|count) over one column, skipping blank/non-numeric cells (so a header row is skipped automatically).
Action
Auto-Resize Rows or ColumnsAuto-fit row heights or column widths over an index range via autoResizeDimensions.
Action
Change Sheet PropertiesUpdate a worksheet's grid properties (row/column count) using an explicit field mask.
Action
Clear Basic FilterRemove the basic filter from a sheet via clearBasicFilter.
Action
Clear Spreadsheet Row(s)Clear the values in a range (formatting preserved).
Action
Copy RangeCopy a source cell range to a destination range within the spreadsheet.
Action
Copy WorksheetCopy a worksheet into a destination spreadsheet.
Action
Create ChartAdd a basic embedded chart (column/bar/line/etc.) built from a domain range and a series range on a sheet. Returns the new chartId.
Action
Create Conditional Formatting RuleAdd a boolean conditional formatting rule (e.g. NUMBER_GREATER) that colors matching cells.
Action
Create Multiple Spreadsheet RowsAppend many rows in one call.
Action
Create SpreadsheetCreate a new Google Sheets spreadsheet with the given title.
Action
Create Spreadsheet ColumnInsert a blank column at a given index.
Action
Create Spreadsheet RowAppend a single row of values to a sheet range.
Action
Create Spreadsheet Row at TopInsert a blank row just below the header (row 2), then write the given values into it in one operation.
Action
Create WorksheetAdd a new worksheet (tab) to an existing spreadsheet.
Action
Delete ChartDelete an embedded chart via deleteEmbeddedObject.
Action
Delete SheetDelete a worksheet from a spreadsheet by sheetId (gid).
Action
Delete Spreadsheet Row(s)Delete a contiguous block of rows by index.
Action
Find and ReplaceFind and replace text across the spreadsheet. Supply EXACTLY ONE scope: all_sheets=true OR sheet_id. Leave the other unset (do not pass all_sheets=false together with sheet_id).
Action
Find SpreadsheetFind spreadsheets by exact name via the Drive API (cross-host through the googlesheets connection).
Action
Find WorksheetReturn the worksheet whose title matches the given title (sheet_id/index/found), reading the spreadsheet's sheet properties.
Action
Format Cell RangeApply background color and bold formatting to a cell range via repeatCell.
Action
Format Spreadsheet RowApply a background color across an entire row via repeatCell over a row range.
Action
Get Conditional Format RulesList all conditional-format rules on each sheet (paired with the sheetId so a follow-up update can target a rule by index).
Action
Get Data RangeRead all values in a range.
Action
Get Data Validation RulesRead the data-validation rule set on every cell of a range (per-cell dataValidation, via includeGridData with a field mask).
Action
Get Many Spreadsheet Rows (Advanced)Read multiple ranges at once via batchGet.
Action
Get Row by IDRead a single row range. NOTE: Google Sheets has no row ID; the row number IS the identity.
Action
Get Sheet NamesReturn the titles of all sheets (tabs) in the spreadsheet.
Action
Get Spreadsheet by IDFetch spreadsheet metadata (title, sheets, gids, grid properties).
Action
List ChartsList all embedded charts (chartId + title) across every sheet in the spreadsheet.
Action
Lookup Spreadsheet RowRead a range and return the FIRST row whose cell at column_index equals match_value (Sheets has no server-side filter; this op filters the returned rows).
Action
Lookup Spreadsheet Rows (Advanced)Read multiple ranges via batchGet and return ALL rows whose cell at column_index equals match_value (Sheets has no server-side filter; this op filters the returned rows).
Action
Move ChartReposition an embedded chart to a new overlay anchor cell via updateEmbeddedObjectPosition.
Action
Rename SheetRename a worksheet's title.
Action
Search SpreadsheetsSearch spreadsheets by name substring (or full-text) via the Drive API, cross-host through the googlesheets connection.
Action
Set Basic FilterApply a basic filter to a range on a sheet via setBasicFilter.
Action
Set Data ValidationApply a ONE_OF_LIST dropdown data-validation rule to a cell range.
Action
Sort RangeSort a cell range by one column in ascending or descending order.
Action
Update ChartReplace an existing chart's spec (title, chart type, domain/series ranges) via updateChartSpec.
Action
Update Conditional Format RulesReplace an existing conditional-format rule (identified by its index on the sheet) with a new boolean rule.
Action
Update Data Validation RuleOverwrite the data-validation rule on a cell range with a ONE_OF_LIST dropdown (same endpoint as create; setDataValidation replaces whatever rule the range held).
Action
Update Spreadsheet RowOverwrite the values at a specific range.
Action
Update Spreadsheet Row(s)Update one or more disjoint ranges in a single batch.
Action
Upsert RowRead a range, find the row whose column_index cell equals match_value; UPDATE that row when found, otherwise APPEND a new row. One adaptive write request (method+path chosen by the match script).
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
Google Sheets and fastbill, answered
What can start an automation from Google Sheets?
Any of Google Sheets's 16 triggers in the catalog, including Aggregate Metric Changed, Cell Range Values Changed, Conditional Format Rule Changed and Data Validation Rule Changed. Describe the moment in plain language and your agent picks the right one.
What can your agent do in fastbill when something happens in Google Sheets?
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 Google Sheets?
fastbill has no triggers in the catalog today, so automations start in Google Sheets. 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 Google Sheets 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.