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POST
/
{id}
/
metadata
Update metadata
curl --request POST \
  --url http://localhost:5001/{id}/metadata \
  --header 'X-blnk-key: <api-key>'
Use client.Metadata.UpdateMetadata to add or change metadata on an existing ledger, transaction, balance, or identity.
1

Call the method

client.Metadata.UpdateMetadata
result, resp, err := client.Metadata.UpdateMetadata(
	"ldg_073f7ffe-9dfd-42ce",
	blnkgo.UpdateMetaDataRequest{
		MetaData: map[string]interface{}{
			"project_owner": "Acme LLC",
			"update_status": "Approved",
		},
	},
)
FieldTypeDescription
entityIDstringID of the entity to update (ldg_…, txn_…, bln_…, or idt_…).
MetaDatamap[string]interface{}Key-value pairs to add or update on the entity.
2

Use the updated metadata

Read result.MetaData for the full metadata object after the update. New keys are merged with existing metadata.
3

Response

201 Created
{
  "meta_data": {
    "project_owner": "Acme LLC",
    "update_status": "Approved"
  }
}
FieldTypeDescription
meta_dataobjectThe full metadata object after the update.

How metadata works

Attaching custom attributes to Blnk objects.

Update metadata

HTTP request and response schema.

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