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POST
/
user
/
v1
/
subscriptions
/
addons
/
extra-card
/
checkout
Checkout extra-card add-on
curl --request POST \
  --url https://api.machines.cash/user/v1/subscriptions/addons/extra-card/checkout \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'idempotency-key: <idempotency-key>' \
  --data '{}'
{
  "ok": true,
  "data": {},
  "summary": "success"
}

Documentation Index

Fetch the complete documentation index at: https://docs.machines.cash/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

Bearer session token for User API operations. Legacy UserSessionBearer naming remains supported.

Headers

​
idempotency-key
string
required

Required for state-changing financial writes.

Minimum string length: 8

Body

application/json

The body is of type object.

Response

Success

​
ok
boolean
​
data
object
​
summary
string
​
errors
object[]
​
next
string