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Create a client

POST
/api/Clients
curl --request POST \
--url https://invoicing-api.eddish.app/api/Clients \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{ "name": "example", "isActive": true, "address": "example", "notes": "example", "taxRate": 1, "contactName": "example", "email": "example", "paymentTerm": "UponReceipt" }'

Creates a client. Replies 409 if the plan’s client limit has been reached. Admins only, or Approvers where the account allows it.

Media typeapplication/json

The details to save for a client when creating or updating one.

object
name
required
string
isActive
required

False archives the client.

boolean
address
required
null | string
notes
required
null | string
taxRate

A percentage. Leave empty to use the account’s default; 0 means no tax for this client.

null | number | string format: double
/^-?(?:0|[1-9]\d*)(?:\.\d+)?$/
contactName
null | string
email
null | string
paymentTerm
One of:
null

OK

Media typeapplication/json

Shorthand for the overwhelmingly common ServiceResponse&lt;TData, ErrorResponse&gt;. C# cannot alias an open generic, so this is expressed as a subclass rather than a using alias.

object
success

True when the call succeeded and TData? ServiceResponse<TData, TError>.Data is populated.

boolean
data
One of:
null
error
One of:
null

Example

{
"data": {
"paymentTerm": "UponReceipt",
"projectCount": 0
}
}

Not signed in, or the credential isn’t recognised, has expired or was revoked: auth.missing_credential, auth.invalid_credential, auth.expired_credential, auth.revoked_credential.

Media typeapplication/json

Shorthand for the overwhelmingly common ServiceResponse&lt;TData, ErrorResponse&gt;. C# cannot alias an open generic, so this is expressed as a subclass rather than a using alias.

object
success

True when the call succeeded and TData? ServiceResponse<TData, TError>.Data is populated.

boolean
data

Payload on success; default on failure.

error

The Framework’s default error shape, used as the TError of ServiceResponse<TData, TError> unless an App genuinely needs its own.

object
code

Stable, machine-readable error identifier (for example account.not_found). Clients branch on this, never on string ErrorResponse.Message.

string
message

Human-readable description of what went wrong. Safe to surface to a User.

string
fieldErrors

Optional per-field validation failures, keyed by field name. Null (and omitted from JSON) for errors that are not validation failures.

null | object
details

Optional machine-readable facts about the failure that a client renders rather than parses out of string ErrorResponse.Message — e.g. plan.limit_reached’s limit, count and planName. Null (and omitted from JSON) for errors that carry none.

null | object

Example generated

{
"success": true,
"data": "example",
"error": {
"code": "example",
"message": "example",
"fieldErrors": "example",
"details": "example"
}
}

Not allowed. error.code says why: auth.role_not_permitted (your role doesn’t allow it), auth.read_only_token (the token can only read), app.no_seat (no seat in this App), auth.api_access_not_in_plan (the plan doesn’t include API access), auth.not_a_member (no longer a member of the Account), auth.insufficient_scope (an Account API key without the scope).

Media typeapplication/json

Shorthand for the overwhelmingly common ServiceResponse&lt;TData, ErrorResponse&gt;. C# cannot alias an open generic, so this is expressed as a subclass rather than a using alias.

object
success

True when the call succeeded and TData? ServiceResponse<TData, TError>.Data is populated.

boolean
data

Payload on success; default on failure.

error

The Framework’s default error shape, used as the TError of ServiceResponse<TData, TError> unless an App genuinely needs its own.

object
code

Stable, machine-readable error identifier (for example account.not_found). Clients branch on this, never on string ErrorResponse.Message.

string
message

Human-readable description of what went wrong. Safe to surface to a User.

string
fieldErrors

Optional per-field validation failures, keyed by field name. Null (and omitted from JSON) for errors that are not validation failures.

null | object
details

Optional machine-readable facts about the failure that a client renders rather than parses out of string ErrorResponse.Message — e.g. plan.limit_reached’s limit, count and planName. Null (and omitted from JSON) for errors that carry none.

null | object

Example generated

{
"success": true,
"data": "example",
"error": {
"code": "example",
"message": "example",
"fieldErrors": "example",
"details": "example"
}
}

The Account is over its plan’s limits, so changes are refused until an Owner or Admin sorts that out: plan.read_only.

Media typeapplication/json

Shorthand for the overwhelmingly common ServiceResponse&lt;TData, ErrorResponse&gt;. C# cannot alias an open generic, so this is expressed as a subclass rather than a using alias.

object
success

True when the call succeeded and TData? ServiceResponse<TData, TError>.Data is populated.

boolean
data

Payload on success; default on failure.

error

The Framework’s default error shape, used as the TError of ServiceResponse<TData, TError> unless an App genuinely needs its own.

object
code

Stable, machine-readable error identifier (for example account.not_found). Clients branch on this, never on string ErrorResponse.Message.

string
message

Human-readable description of what went wrong. Safe to surface to a User.

string
fieldErrors

Optional per-field validation failures, keyed by field name. Null (and omitted from JSON) for errors that are not validation failures.

null | object
details

Optional machine-readable facts about the failure that a client renders rather than parses out of string ErrorResponse.Message — e.g. plan.limit_reached’s limit, count and planName. Null (and omitted from JSON) for errors that carry none.

null | object

Example generated

{
"success": true,
"data": "example",
"error": {
"code": "example",
"message": "example",
"fieldErrors": "example",
"details": "example"
}
}

Too many requests: rate_limit.exceeded. Wait the number of seconds in the Retry-After header.

Media typeapplication/json

Shorthand for the overwhelmingly common ServiceResponse&lt;TData, ErrorResponse&gt;. C# cannot alias an open generic, so this is expressed as a subclass rather than a using alias.

object
success

True when the call succeeded and TData? ServiceResponse<TData, TError>.Data is populated.

boolean
data

Payload on success; default on failure.

error

The Framework’s default error shape, used as the TError of ServiceResponse<TData, TError> unless an App genuinely needs its own.

object
code

Stable, machine-readable error identifier (for example account.not_found). Clients branch on this, never on string ErrorResponse.Message.

string
message

Human-readable description of what went wrong. Safe to surface to a User.

string
fieldErrors

Optional per-field validation failures, keyed by field name. Null (and omitted from JSON) for errors that are not validation failures.

null | object
details

Optional machine-readable facts about the failure that a client renders rather than parses out of string ErrorResponse.Message — e.g. plan.limit_reached’s limit, count and planName. Null (and omitted from JSON) for errors that carry none.

null | object

Example generated

{
"success": true,
"data": "example",
"error": {
"code": "example",
"message": "example",
"fieldErrors": "example",
"details": "example"
}
}
Retry-After
integer

Seconds to wait before trying again.