ตัวอย่างการใช้งาน JavaScript SDK

Authentication API

All URIs are relative to https://openapi.flowaccount.com/v1

Name	Method	path	Description
`tokenPost`	POST	/token	generate access token

สำหรับลูกค้าที่เชื่อมต่อแบบ client credentials

Parameter

Name	type	Description	Value
`contentType`	string	The media type of the resource	application/x-www-form-urlencoded
`grantType`	string	The OAuth 2.0 grant type being used	client_credentials
`scope`	string	The specific API access level	flowaccount-api
`clientId`	string	The application's client ID	request clientId from FlowAccount
`clientSecret`	string	The application's client secret	request clientSecret from FlowAccount

Generate Access Token

import openapi-sdk

    const flowAccountOpenApi = require('@flowaccount/openapi-sdk')

Setup header parameter

    const clientId = 'your-client-id'
    const clientSecret = 'your-client-secret'
    const contentType = 'application/x-www-form-urlencoded'
    const grantType = 'client_credentials'
    const scope = 'flowaccount-api'

Use method tokenPost for generate access token

    const api = new flowAccountOpenApi.Authentication()

    api.tokenPost(contentType, grantType, scope, clientId, clientSecret)
        .then(response => console.log( 'response: ', response.body))
        .catch(error => console.log('error: ' , error))

สำหรับลูกค้าที่เชื่อมต่อแบบ OpenID

Parameter

Name	type	Description	Value
`contentType`	string	The media type of the resource	application/x-www-form-urlencoded
`grantType`	string	The OAuth 2.0 grant type being used	client_credentials
`scope`	string	The specific API access level	flowaccount-api
`clientId`	string	The application's client ID	request clientId from FlowAccount
`clientSecret`	string	The application's client secret	request clientSecret from FlowAccount
`guid`	string	A unique identifier for a customer

Generate Access Token (OpenID)

import openapi-sdk

    const flowAccountOpenApi = require('@flowaccount/openapi-sdk')

Setup header parameter

    const clientId = 'your-client-id'
    const clientSecret = 'your-client-secret'
    const contentType = 'application/x-www-form-urlencoded'
    const grantType = 'client_credentials'
    const scope = 'flowaccount-api'

Use method tokenPost for generate access token

    const api = new flowAccountOpenApi.Authentication()

    api.tokenPost(contentType, grantType, scope, clientId, clientSecret, guid)
        .then(response => console.log('response: ', response.body))
        .catch(error => console.log('error: ' , error))

Cash invoice API

Name	Method	path	Description
`cashInvoicesPost`	POST	/cash-invoices	Create cash invoices document

Parameters

Name	type	Description	Notes
`authorization`	string	verify user	Bearer accessToken from tokenPost
`simpleDocument`	SimpleDocument	Type Document	Ref.SimpleDocument Data Type

Create cash invoice document

import openapi-sdk and document type

    const flowAccountOpenApi = require('@flowaccount/openapi-sdk')
    const { SimpleDocument, SimpleProductItem } = require('@flowaccount/openapi-sdk')

Set authorized by accessToken

    const authorization = `Bearer ${accessToken}`

Set productItem and document

    const simpleItem = new SimpleProductItem()

    simpleItem.sku = 'customer-product-sku'
    simpleItem.name = 'customer-product-name'
    simpleItem.type = 5
    simpleItem.total = 1000
    simpleItem.pricePerUnit = 200
    simpleItem.quantity = 5
    simpleItem.unitName = 'unit'
    simpleItem.buyChartOfAccountCode = ''
    simpleItem.sellChartOfAccountCode ='41110'
    simpleItem.description = 'product-description'

    const items = []
    items.push(simpleItem)

    const document = new SimpleDocument()

    document.recordId = 0
    document.contactCode = 'contact-code'
    document.contactName = 'name-customer'
    document.contactAddress = 'customer-contact-address'
    document.contactTaxId = '1234567890123'
    document.contactBranch = 'main-branch'
    document.contactPerson = 'contact-person'
    document.contactEmail = 'contact-email'
    document.contactNumber = '099-999-9999'
    document.contactZipCode = '11000'
    document.contactGroup  = 1
    document.publishedOn = '2025-07-21'
    document.creditType = 3
    document.creditDays = 0
    document.dueDate = '2025-07-21'
    document.salesName = 'Sale man 001'
    document.projectName = 'project SDK'
    document.reference = 'INV2025'
    document.isVatInclusive = false
    document.isVat = false
    document.useReceiptDeduction = false
    document.subTotal = 1000
    document.discountPercentage = 5
    document.discountAmount = 50
    document.totalAfterDiscount = 50
    document.items = items
    document.documentShowWithholdingTax = false
    document.documentStructureType = 'Simple document'
    document.grandTotal = 950

Use method cashInvoicesPost for create document

    const api = new flowAccountOpenApi.CashInvoiceApi()

    api.cashInvoicesPost(authorization, document)
        .then(response => {console.log('response create cash invoice: ', response.body)})
        .catch(error => {console.log('error: ', error)})

Tax invoices API

Name	Method	path	Description
`taxInvoicesPost`	POST	/tax-invoices	Create tax-invoices document

Parameters

Name	type	Description	Notes
`authorization`	string	verify user	Bearer accessToken from tokenPost
`simpleDocument`	SimpleDocument	Type Document	Ref.SimpleDocument Data Type

Create tax invoice

import openapi-sdk and document type

    const flowAccountOpenApi = require('@flowaccount/openapi-sdk')
    const { SimpleDocument, SimpleProductItem } = require('@flowaccount/openapi-sdk')

Set authorized by accessToken

    const authorization = `Bearer ${accessToken}`

Set productItem and document

    const simpleItem = new SimpleProductItem()

    simpleItem.sku = 'customer-product-sku'
    simpleItem.name = 'customer-product-name'
    simpleItem.type = 5
    simpleItem.total = 1000
    simpleItem.pricePerUnit = 200
    simpleItem.quantity = 5
    simpleItem.unitName = 'unit'
    simpleItem.buyChartOfAccountCode = ''
    simpleItem.sellChartOfAccountCode ='41110'
    simpleItem.description = 'product-description'

    const items = []
    items.push(simpleItem)

    const document = new SimpleDocument()

    document.recordId = 0
    document.contactCode = 'contact-code'
    document.contactName = 'name-customer'
    document.contactAddress = 'customer-contact-address'
    document.contactTaxId = '1234567890123'
    document.contactBranch = 'main-branch'
    document.contactPerson = 'contact-person'
    document.contactEmail = 'contact-email'
    document.contactNumber = '099-999-9999'
    document.contactZipCode = '11000'
    document.contactGroup  = 1
    document.publishedOn = '2025-07-21'
    document.creditType = 3
    document.creditDays = 0
    document.dueDate = '2025-07-21'
    document.salesName = 'Sale man 001'
    document.projectName = 'project SDK'
    document.reference = 'INV2025'
    document.isVatInclusive = false
    document.isVat = false
    document.useReceiptDeduction = false
    document.subTotal = 1000
    document.discountPercentage = 5
    document.discountAmount = 50
    document.totalAfterDiscount = 50
    document.items = items
    document.documentShowWithholdingTax = false
    document.documentStructureType = 'Simple document'
    document.grandTotal = 950

Use method taxInvoicesPost for create tax invoice document

    const api = new flowAccountOpenApi.CashInvoiceApi()

    api.cashInvoicesPost(authorization, document)
        .then(response => {console.log( 'response create tax invoice: ', response.body)})
        .catch(error => {console.log('error: ', error)})

Authentication API​

สำหรับลูกค้าที่เชื่อมต่อแบบ client credentials​

สำหรับลูกค้าที่เชื่อมต่อแบบ OpenID​

Cash invoice API​

Tax invoices API​

Authentication API

สำหรับลูกค้าที่เชื่อมต่อแบบ client credentials

สำหรับลูกค้าที่เชื่อมต่อแบบ OpenID

Cash invoice API

Tax invoices API