Bulk SMS API that developers ship in an afternoon

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curl https://bulksmsapi.cc/v1/batches \
  -H "Authorization: Bearer $BULKSMSAPI_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: spring-sale-0412" \
  -d '{
    "name": "Spring sale",
    "text": "Spring sale at Northwind: 20% off until Sunday. Opt out: northwind.example/sms",
    "to": [
      "+14155550123",
      "+447400123456",
      "+4915123456789"
    ]
  }'

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const res = await fetch("https://bulksmsapi.cc/v1/batches", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.BULKSMSAPI_KEY}`,
    "Content-Type": "application/json",
    "Idempotency-Key": "spring-sale-0412",
  },
  body: JSON.stringify({
    name: "Spring sale",
    text: "Spring sale at Northwind: 20% off until Sunday. Opt out: northwind.example/sms",
    to: ["+14155550123", "+447400123456", "+4915123456789"],
  }),
});
const batch = await res.json();
console.log(res.status, batch.id, batch.recipients, batch.cost);

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import json, os, urllib.request

req = urllib.request.Request(
    "https://bulksmsapi.cc/v1/batches",
    data=json.dumps({
        "name": "Spring sale",
        "text": "Spring sale at Northwind: 20% off until Sunday. Opt out: northwind.example/sms",
        "to": ["+14155550123", "+447400123456", "+4915123456789"],
    }).encode(),
    headers={
        "Authorization": "Bearer " + os.environ["BULKSMSAPI_KEY"],
        "Content-Type": "application/json",
        "Idempotency-Key": "spring-sale-0412",
        "User-Agent": "northwind-app/1.0",
    },
    method="POST",
)
with urllib.request.urlopen(req) as res:
    batch = json.load(res)
print(res.status, batch["id"], batch["recipients"], batch["cost"])

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<?php
$ch = curl_init("https://bulksmsapi.cc/v1/batches");
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        "Authorization: Bearer " . getenv("BULKSMSAPI_KEY"),
        "Content-Type: application/json",
        "Idempotency-Key: spring-sale-0412",
    ],
    CURLOPT_POSTFIELDS => json_encode([
        "name" => "Spring sale",
        "text" => "Spring sale at Northwind: 20% off until Sunday. Opt out: northwind.example/sms",
        "to" => ["+14155550123", "+447400123456", "+4915123456789"],
    ]),
]);
$batch = json_decode(curl_exec($ch), true);
echo $batch["id"], " ", $batch["recipients"], " ", $batch["cost"], "\n";

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package main

import (
	"bytes"
	"encoding/json"
	"fmt"
	"net/http"
	"os"
)

func main() {
	body, _ := json.Marshal(map[string]any{
		"name": "Spring sale",
		"text": "Spring sale at Northwind: 20% off until Sunday. Opt out: northwind.example/sms",
		"to":   []string{"+14155550123", "+447400123456", "+4915123456789"},
	})
	req, _ := http.NewRequest("POST", "https://bulksmsapi.cc/v1/batches", bytes.NewReader(body))
	req.Header.Set("Authorization", "Bearer "+os.Getenv("BULKSMSAPI_KEY"))
	req.Header.Set("Content-Type", "application/json")
	req.Header.Set("Idempotency-Key", "spring-sale-0412")
	res, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()
	var batch map[string]any
	json.NewDecoder(res.Body).Decode(&batch)
	fmt.Println(res.StatusCode, batch["id"], batch["recipients"], batch["cost"])
}