Get your MyFTB notices and balances through an API

What you can build on MyFTB

• Get recent client notices

  Build this

  Reads the recent notices sent to your TIA and POA clients from your tax professional MyFTB account.

  Takes

  Sent since (optional)

  Returns

  Client name, client ID, notice name, notice date, tax year, relationship (TIA or POA)

• Get account balance and tax year details

  Build this

  Reads the account balance and the tax year or account period details for one business, or for one client you have full online account access to.

  Takes

  Client or business, tax year (optional)

  Returns

  Entity name, account balance, tax year, balance for each tax year

• Get estimated payments and payment history

  Build this

  Reads the estimated payments and credits on file before a return is filed, and the payment history, for one business or client.

  Takes

  Client or business, tax year

  Returns

  Payment date, amount, payment type, tax year, total estimated payments and credits

• Send a secure message about a notice

  Build this

  Sends a secure message from MyFTB for one business or client, marked as a response to a prior notice, with an optional attachment.

  Takes

  Client or business, notice, message, attachment (optional)

  Returns

  Confirmation, date sent, subject

Automate MyFTB 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.

• New notices for your TIA and POA clients

  Build this

  Starts

  Every weekday at 8:00

  Step 1

  Get the recent notices sent to your TIA and POA clients.

  Step 2

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

  Step 3

  Email you the list, grouped by client, with notice name, date and tax year.

• Weekly balance check for every entity

  Build this

  Starts

  Every Monday at 7:00

  Step 1

  For each business or client you name, get the account balance and tax year details.

  Step 2

  Keep the entities whose balance changed since the last run.

  Step 3

  Post entity name, tax year and balance to your accounting system's webhook.

• Estimated payments credited, before filing

  Build this

  Starts

  On the 1st of every month at 9:00

  Step 1

  For each business you name, get the estimated payments and credits for the current tax year.

  Step 2

  Keep the businesses whose total differs from the amount you list as paid.

  Step 3

  Email you the businesses where the totals differ.

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 recent client notices” would look like.

curl https://api.fous.com/v1/runs \
  -H "Authorization: Bearer $FOUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "method": "webapp.ftb.ca.gov/get_recent_client_notices",
    "input": {
      "sent_since": "2026-11-01"
    }
  }'

{
  "status": "completed",
  "data": {
    "notices": [
      {
        "client_name": "Acme Tooling Inc",
        "client_id": "XXXXX4821",
        "relationship": "POA",
        "notice_name": "Notice of Tax Return Change",
        "notice_date": "2026-11-09",
        "tax_year": 2024
      }
    ],
    "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.

MyFTB’s own options

The API the FTB publishes is the File Exchange API, documented for health coverage information returns on Forms 1094 and 1095. Account information is read in MyFTB itself, which can email you when a notice or correspondence is sent. Access to a client's information depends on your TIA or POA relationship and online access level.

Read on November 12, 2026: Terms and conditions, FTB APIs, MyFTB features, Tax professional online account access.

Signing in to MyFTB

MyFTB asks for your user name and password, then a verification code sent by text message or phone call, valid for 5 minutes. With Fous you sign in through MyFTB's own sign-in with your own account. The login is sealed with AES-256, never returned by the API or written to logs, and code and AI agents never see it.

Worth knowing

Your access level decides what you see

With limited online account access you see a client's notices from the last 12 months. Balances, payments and returns need full access, which the client approves with an Authorization Code the FTB mails them.

A POA covers the tax years it lists

What you see under a POA applies to the tax years on the declaration. POAs are generally active for 6 years from the signature date, and an expired or revoked POA leaves your Client List.

POA updates are not always instant

Update Multiple POA Declarations updates the email, adds or removes a representative, or revokes POAs, for many POAs at once. Updates can take up to seven business days, though most complete within a few minutes.

Several businesses on one registration

A business representative can add each further business to the same account with information from a California return filed in the last 5 years, or register each business separately.

More in Government: US state and local tax

• Ohio Business Gateway
• CDTFA Online Services
• Colorado Revenue Online
• Florida DOR eServices File and Pay
• Georgia Tax Center
• INTIME
• LaTAP
• Maryland Tax Connect
• MassTaxConnect
• Michigan Treasury Online
• Minnesota e-Services
• My DOR
• myconneCT
• MyDORWAY
• myPATH
• MyTax Illinois
• MyTaxes Kentucky
• NCDOR eBusiness Center
• New Jersey Tax Portal
• NY Business Online Services
• OH|TAX eServices
• Texas Comptroller Webfile
• TNTAP
• Virginia Tax Business Online Services
• Wisconsin My Tax Account

Other industries: SOSPortal, MISUMI, Upwork, PECOS, Aviva Broker, MyHMCTS.