Build on the carrier, not on a reseller.

curl -X POST https://api.dollu.com/v2/messages \
  -H "Authorization: Bearer $DOLLU_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: 7c9e6679-7425-40de-944b-e07fc1f90ae7" \
  -d '{
    "from": "Dollu",
    "to": "+447700900123",
    "text": "Your verification code is 482913",
    "webhook_url": "https://example.com/hooks/dollu"
  }'

# 202 Accepted
# { "id": "msg_01J8ZK3V9Q", "status": "queued", "segments": 1,
#   "request_id": "req_5f2c..." }

import { Dollu } from "@dollu/sdk"

const dollu = new Dollu(process.env.DOLLU_API_KEY)

const message = await dollu.messages.create({
  from: "Dollu",
  to: "+447700900123",
  text: "Your verification code is 482913",
  webhookUrl: "https://example.com/hooks/dollu",
})

console.log(message.id, message.status)
// msg_01J8ZK3V9Q queued

curl -X POST https://api.dollu.com/v2/calls \
  -H "Authorization: Bearer $DOLLU_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "from": "+442045770000",
    "to": "+919876543210",
    "answer_url": "https://example.com/ivr/answer",
    "record": true,
    "machine_detection": "enabled"
  }'

# 201 Created
# { "id": "call_01J8ZKQ2MB", "status": "initiated",
#   "direction": "outbound", "request_id": "req_a91d..." }

const call = await dollu.calls.create({
  from: "+442045770000",
  to: "+919876543210",
  answerUrl: "https://example.com/ivr/answer",
  record: true,
  machineDetection: "enabled",
})

// answer_url returns JSON verbs when the call connects:
// [{ "say": { "text": "Hello from Dollu" } },
//  { "gather": { "digits": 1, "action_url": "/ivr/menu" } }]

console.log(call.id, call.status)
// call_01J8ZKQ2MB initiated