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PATCH
/
v1
/
sessions
/
{session_id}
/
data
Update Session Data
curl --request PATCH \
  --url https://identity.contra.id/v1/sessions/{session_id}/data
Use this when an OCR field is wrong, a name needs normalisation, or a compliance officer is correcting transcribed data.

​
Request

curl -X PATCH https://identity.contra.id/v1/sessions/$SID/data \
  -H "x-api-key: $CONTRA_KEY" -H "Content-Type: application/json" \
  -d '{
    "first_name":     "Mikayla",
    "last_name":      "Halvorson",
    "date_of_birth":  "1966-10-02",
    "country":        "GB",
    "document_number":"AB123456"
  }'
All fields are optional; send only what changes.

​
Response · 200

{
  "session_id": "sess_b3f1c2a4",
  "data_updated": true,
  "audit_entry":  "rev_a8f2…"
}
Updating session data is audited and on-chain anchored in the next hourly batch. The original Smile/Didit-extracted values are preserved alongside the override.