comms.set_contact_language

export SERVICEVIN_API_KEY=svk_live_…

curl -X POST https://www.servicevin.com/api/v1/comms/set_contact_language \
  -H "Authorization: Bearer $SERVICEVIN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"customer_id":"9b2f1c6e-4a77-4d2b-9f31-0f1c9a8e5d20","language":"…"}'

const res = await fetch("https://www.servicevin.com/api/v1/comms/set_contact_language", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.SERVICEVIN_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "customer_id": "9b2f1c6e-4a77-4d2b-9f31-0f1c9a8e5d20",
    "language": "…"
  }),
});

// Success and failure are both envelopes. Switch on error.code, never
// on error.message — the codes are stable, the messages are for people.
const payload = await res.json();
if (!res.ok) throw new Error(payload.error.code);
const data = payload.data;

import os, requests

res = requests.post(
    "https://www.servicevin.com/api/v1/comms/set_contact_language",
    headers={"Authorization": f"Bearer {os.environ['SERVICEVIN_API_KEY']}"},
    json={
    "customer_id": "9b2f1c6e-4a77-4d2b-9f31-0f1c9a8e5d20",
    "language": "…"
},
    timeout=30,
)
payload = res.json()
if not res.ok:
    raise RuntimeError(payload["error"]["code"])
data = payload["data"]

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "comms.set_contact_language",
    "arguments": {
      "customer_id": "9b2f1c6e-4a77-4d2b-9f31-0f1c9a8e5d20",
      "language": "…"
    }
  }
}