Turn your British Gas Business account into an API

What you can build on British Gas Business

• Get account balances and statuses

  Build this

  Reads the Accounts tab of the online account: each energy account with its site address, postcode, status and balance.

  Takes

  Status (optional), postcode (optional)

  Returns

  Account number, site address, postcode, status, balance, renewal options

• Get the bills for an energy account

  Build this

  Opens one energy account in the online account and reads its bills and statement of account, newest first.

  Takes

  Account number, issued since (optional)

  Returns

  Account number, site address, bill date, billing period, amount, balance

• Submit a meter reading

  Build this

  Opens one energy account and enters a manual meter reading, then returns the confirmation or the message that the reading is not what was expected.

  Takes

  Account number, meter serial number, reading, reading date

  Returns

  Account number, meter serial number, reading, reading date, accepted, message

Automate British Gas Business with a workflow

A workflow runs your methods as one process, with nobody at the screen. A schedule or a call from your own system starts it, the steps run in order, and the result arrives in your inbox or in the systems you already use.

• Weekly balances for every energy account

  Build this

  Starts

  Every Monday at 8:00

  Step 1

  Get the balances and statuses of all energy accounts from the Accounts tab.

  Step 2

  Keep the Live accounts with a balance owing.

  Step 3

  Email you the list, sorted by balance, with site address and postcode.

• New bills passed to accounts payable

  Build this

  Starts

  Every weekday at 7:00

  Step 1

  Get the Live energy accounts from the Accounts tab.

  Step 2

  For each one, get the bills issued in the last 7 days.

  Step 3

  Keep the bills that were not there on the last run.

  Step 4

  Post account number, site address, bill date, billing period and amount to your accounting system's webhook.

• Account status changes across your sites

  Build this

  Starts

  Every day at 9:00

  Step 1

  Get the status of every energy account from the Accounts tab.

  Step 2

  Keep the accounts whose status changed since the last run, such as Onboarding to Live.

  Step 3

  Email you each change with the account number and site address.

You can run a workflow by hand on every plan, Free included. Schedules and webhook triggers come with the paid plans, from $29 a month.

Once built, one call from your code

Once you have built a method, it is one POST to /v1/runs from your backend, or a tool an AI agent calls over MCP. This is what “Get account balances and statuses” would look like.

curl https://api.fous.com/v1/runs \
  -H "Authorization: Bearer $FOUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "method": "britishgas.co.uk/get_account_balances",
    "input": {
      "status": "Live"
    }
  }'

{
  "status": "completed",
  "data": {
    "accounts": [
      {
        "account_number": "BGB0000123456",
        "site_address": "Unit 4, Acme Trading Estate, Leeds",
        "postcode": "LS11 5AB",
        "status": "Live",
        "balance": 1284.37,
        "currency": "GBP",
        "renewal_options": false
      }
    ],
    "count": 1
  }
}

An example with invented data, not a ready-made endpoint. The method exists in your organization once you build it, and its name, inputs and fields follow your request.

British Gas Business’s own options

British Gas Business documents no API for its online account. Bills, balances, payments and meter readings are handled in the online account, with an email when a new bill is ready if you choose paperless bills. Half-hourly smart meter data is in Energy360 DataView, a separate free platform you request by chat, with daily downloads and scheduled reports.

Read on November 12, 2026: Register for an online account, Energy360 DataView, Paperless billing.

Signing in to British Gas Business

British Gas Business signs you in with your email address and password. A new registration gets a temporary password by email, valid for 24 hours, and a locked account opens again on its own one hour later. With Fous you sign in once through the site's own sign-in with your own account: the login is sealed with AES-256, and an expired session is signed back in.

Worth knowing

Two kinds of account number

Accounts starting with 60 or 67 and accounts starting with BGB sit on separate tabs, with different statuses and searches. A method that covers your whole estate reads both tabs.

Bills appear up to two days later

A bill can take up to two days to appear in the online account. A workflow that passes on new bills should look back a few days rather than only at today.

Organisations, views and users

One online account can hold up to 15 organisations and 200 users. A Super user assigns each user a view, a group of accounts, so a method sees only the accounts in its user's view.

Smart meters report on their own

With a working smart meter, readings reach British Gas on their own. A manual reading higher or lower than expected can still be given, and it is checked before the bill.

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