Docs

Update Invoice

Updates an existing invoice in FreeAgent.

PUT

Query

Field selectionChoose which fields should be included in the response. Learn more
string

Comma-separated response fields to include.

Body

Arguments
stringrequired

FreeAgent invoice ID.

object

Invoice payload.

string

Contact being invoiced.

string

Project being invoiced.

string

Invoice reference.

date

Date of invoice in YYYY-MM-DD format.

date

When invoice is due, in YYYY-MM-DD format.

number

Set to zero to display Due on Receipt on the invoice.

string

Invoice currency.

string

Additional text added to the bottom of the invoice.

Every app you connect,one REST pattern

Call any app with one REST pattern. MindCloud handles each provider's auth, request shape, and responses for you.

Learn what the Universal API is
One REST patternUse the same request structure across apps like Slack, HubSpot, Salesforce, and thousands more.
Managed connectionsSend a MindCloud connection ID instead of handling provider tokens, refresh logic, and credential storage yourself.
Action-level docsEach action page shows the exact endpoint, required arguments, optional controls, and response behavior for that app version.