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PUT
/
core
/
{entity}
/
{entityId}
/
metadata
Set metadata
curl --request PUT \
  --url https://api.enterprise.sandbox.uphold.com/core/{entity}/{entityId}/metadata \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "externalId": 123
}
'
{ "metadata": { "externalId": 123 } }

Documentation Index

Fetch the complete documentation index at: https://developer.uphold.com/llms.txt

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

Set metadata creates or updates custom metadata for a given entity. This endpoint follows idempotent PUT semantics:
  • Create: Returns 201 Created if metadata doesn’t exist
  • Replace: Returns 200 OK if metadata already exists
The response includes an ETag header representing the version of the metadata, which can be used with If-Match or If-None-Match headers for conditional requests to prevent concurrent update conflicts.
Each PUT request replaces the entire metadata object. Make sure to include all properties you want to retain.

Authorizations

​
Authorization
string
header
required

OAuth 2.0 authentication.

Headers

​
If-Match
string

Ensures conditional update by matching the current metadata revision.

Pattern: ^(?:W\/)?"([A-Fa-f0-9]{64})"$
​
If-None-Match
enum<string>

Prevents upsert operation if there is an existing metadata revision.

Available options:
*

Path Parameters

​
entity
enum<string>
required

The type of entity whose metadata is being accessed.

Available options:
accounts,
external-accounts,
files,
transactions,
users
​
entityId
string
required

The unique identifier of the entity whose metadata is being accessed.

Body

application/json

The body is of type object.

Response

Metadata replaced.

​
metadata
object
required