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POST
/
v1
/
subaccounts
Create Subaccount
curl --request POST \
  --url https://api.rivermarkets.com/v1/subaccounts \
  --header 'Content-Type: application/json' \
  --header 'X-River-Key-Id: <api-key>' \
  --header 'X-River-Signature: <api-key>' \
  --header 'X-River-Timestamp: <api-key>' \
  --data '
{
  "name": "<string>",
  "description": "<string>",
  "account_type": "non_custodial"
}
'
{
  "subaccount_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "name": "<string>",
  "is_active": true,
  "inserted_at": "<string>",
  "description": "<string>"
}

Documentation Index

Fetch the complete documentation index at: https://docs.rivermarkets.com/llms.txt

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

Authorizations

​
X-River-Key-Id
string
header
required

UUID of your API key (from Settings → API Keys).

​
X-River-Timestamp
string
header
required

Current unix seconds. Must be within 30s of server time.

​
X-River-Signature
string
header
required

Base64 Ed25519 signature over the canonical request: METHOD\nPATH\nSORTED_QUERY\nTIMESTAMP\nSHA256(body) hex. See /api-reference/authentication for the full recipe.

Body

application/json

Schema for creating a new subaccount.

​
name
string
required
Maximum string length: 100
​
description
string | null
Maximum string length: 500
​
account_type
enum<string>
default:non_custodial

Type of trading subaccount.

Available options:
custodial,
non_custodial

Response

Successful Response

Schema for subaccount response.

​
subaccount_id
string<uuid>
required
​
name
string
required
​
account_type
enum<string>
required

Type of trading subaccount.

Available options:
custodial,
non_custodial
​
is_active
boolean
required
​
inserted_at
string
required
​
description
string | null