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POST
/
key-stores
/
{storeId}
/
onchain-sign
/
input
Create Onchain Sign Input
curl --request POST \
  --url https://api.dfns.io/key-stores/{storeId}/onchain-sign/input \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-DFNS-USERACTION: <api-key>' \
  --data '{}'
"<string>"

​
Authentication

✅ Organization User (CustomerEmployee)
❌ Delegated User (EndUser)
✅ Service Account

​
Required Permissions

KeyStores:OnchainSignatures:Create: Always required.

Authorizations

​
Authorization
string
header
required

Bearer Token: Used to authenticate API requests. More details how to generate the token: Authentication flows

​
X-DFNS-USERACTION
string
header
required

User Action Signature: Used to sign the change-inducing API requests. More details how to generate the token: User Action Signing flows

Path Parameters

​
storeId
string
required
Minimum string length: 1

Body

application/json

The body is of type object.

Response

200 - application/zip

Success

Zip archive containing input/input.json and input-annex/keys.jsonl for the onchain-sign roundtrip.

Last modified on July 2, 2026