SMS API for United Kingdom: bulk SMS to +44 numbers

The United Kingdom, located in Northwestern Europe, has London as its capital and is a hub for finance, technology, and education. Software products like banking apps, e-commerce platforms, and universities send text messages to users across the country. Messages are triggered by events such as login attempts, order confirmations, or exam reminders. SMS is chosen because it reaches all mobile devices, is read quickly, and works for both residents and international visitors.

United Kingdom

Calling code +44

Per SMS segment
$0.00787
Messages for $100
12,706
Local language
English
Encoding
GSM-7

What a bulk SMS send to the United Kingdom costs

Every message is priced at $0.00787 per segment to the United Kingdom. Texts over 160 GSM-7 or 70 Unicode characters are split into segments, so a two-segment text costs twice as much.
Messages1 segment2 segments
1$0.00787$0.01574
1,000$7.87$15.74
10,000$78.70$157.40
100,000$787.00$1,574.00

Number format in United Kingdom

Mobile numbers in the United Kingdom have 10 digits after +44. Locally they are written with a leading 0 (07400 123456); in the API that 0 is dropped, so the same number goes in the to field as +44 7400 123456. Jersey, Guernsey and the Isle of Man share +44 and are priced by their own mobile prefixes.

Alphabet and segments

English text stays inside the GSM-7 alphabet, so one segment to the United Kingdom holds 160 characters and each part of a longer text 153. Watch for curly quotes and emoji copied from other tools: one of them moves the whole text to Unicode at 70 characters per segment, and POST /v1/estimates shows the encoding before you send.

Time zone and timing

The United Kingdom changes its clocks: London is on UTC+0 in January and UTC+1 in July. 09:00 in London is 09:00 UTC in January and an hour earlier in UTC while summer time runs, so give send_at with the local offset (for example +00:00 in winter) and the API does the conversion.

Send to United Kingdom with one request

The answer comes back at once with the message id, the country the number was matched to (GB) and the price. A delivered or failed event follows on your webhook, and a failed message is refunded.

For a list, send the same text to up to 10,000 numbers with POST /v1/batches, or a personal text per number in messages.

curl https://bulksmsapi.cc/v1/messages \
  -H "Authorization: Bearer $BULKSMSAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"to": "+447400123456", "text": "Your Northwind code is 482913. It expires in 10 minutes."}'

What developers send to the United Kingdom

Common integrations that call the SMS API for recipients in the United Kingdom.

Security codes

Banks in Manchester send SMS codes for two-factor authentication, ensuring secure access to online accounts.

Order updates

E-commerce platforms in Birmingham notify customers about their order status, providing real-time tracking information.

Exam reminders

Universities in Edinburgh send SMS alerts for exam schedules, helping students stay organized and prepared.

Travel alerts

Airlines in Glasgow send SMS notifications about flight changes, ensuring passengers are informed before their journey.

SMS to United Kingdom: questions

More answers on accounts, payments and the API are in the FAQ.

How much does it cost to send bulk SMS to the United Kingdom?

Each message segment to the United Kingdom costs $0.00787. A plain text of up to 160 characters is one segment, so 1,000 one-segment messages cost $7.87 and 10,000 cost $78.70. Failed messages are refunded to the balance.

How many SMS to the United Kingdom does a $100 top-up send?

$100 covers about 12,706 one-segment messages to the United Kingdom at $0.00787 each. The first top-up adds a bonus on top, which raises that number. The balance is shared by every country, so the same top-up also pays for messages anywhere else on the list.

How do I write United Kingdom numbers for the API?

Send them in international format with the plus sign: +44 7400 123456 becomes "+447400123456" in the to field. The API also accepts spaces, dashes and a 00 prefix and cleans them, and numbers that cannot be read are listed in set_aside instead of being charged.

Should messages be formal or informal?

Messages can vary in tone depending on the audience. Formal language is common for banking and education, while informal tones work well for retail and entertainment.

Are there seasonal peaks in SMS traffic?

SMS traffic peaks during holiday seasons like Christmas and summer, when shopping and travel activities increase. Campaigns should be timed accordingly.

Start sending to The United Kingdom

Create an account, top up from $40 and send to the United Kingdom at $0.00787 per segment, from the console or with one API call.

SMS API United Kingdom: Bulk SMS to +44 From $0.00787 | BulkSMSAPI