Realtime and PSTN calls

# token was a platform RSA JWT, not your API key
curl https://api.kupe.in/api/call/auth/token
# then WebSocket wss://api.kupe.in/api/call/web-media-stream

curl -X POST https://x.kupe.in/v1/realtime/sessions \
  -H "Authorization: Bearer sk-kupe-YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Priya",
    "voice": "priya",
    "prompt": "You collect overdue EMIs. Be warm and brief.",
    "greeting": "Hi, this is Priya from the bank."
  }'
# websocket_url is wss://x.kupe.in/agents/v1/realtime

from kupe import Kupe

client = Kupe()
session = client.realtime.sessions.create(
    name="Priya",
    voice="priya",
    prompt="You collect overdue EMIs. Be warm and brief.",
    greeting="Hi, this is Priya from the bank.",
)
with client.realtime.connect(session) as rt:
    rt.send_text("Remind them EMI is due tomorrow.")
    for event in rt:
        if event.type == "response.output_audio_transcript.done":
            print(event.transcript)
            break

curl -X POST "https://api.kupe.in/api/call/create_call?phoneNumber=%2B9198XXXXXXXX&agent_id=UUID" \
  -H "x-api-key: YOUR_APP_KEY" \
  -H "Content-Type: application/json" \
  -H "Origin: https://app.kupe.in" \
  -d '{"variable_values":{"name":"Alex"}}'

curl -X POST https://x.kupe.in/v1/batches \
  -H "Authorization: Bearer sk-kupe-YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "org_id":"org_...","project_id":"prj_...",
    "agent_id":"agt_...","telephony_account_id":"tel_...",
    "name":"Direct call","max_concurrent_calls":1
  }'

curl -X POST https://x.kupe.in/v1/batches/bat_.../contacts:bulk \
  -H "Authorization: Bearer sk-kupe-YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"contacts":[{"phone_number":"+9198XXXXXXXX","variables":{"name":"Alex"}}]}'

curl -X POST https://x.kupe.in/v1/batches/bat_.../start \
  -H "Authorization: Bearer sk-kupe-YOUR_KEY"