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Avalara Transactions API

Manage tax transactions

Avalara Transactions API is one of 73 APIs that Avalara publishes on the APIs.io network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification.

Tagged areas include Transaction. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an AsyncAPI specification.

This API exposes 30 operations across 28 paths, and defines 15 schemas. It is described by OpenAPI 3.2.0, at version 1.0.

Requests are made against 6 base URLs: https://avataxbr-sandbox.avalarabrasil.com.br/v3, https://rest.avatax.com, https://sandbox-rest.avatax.com, https://exciseapi.avalara.com/api/v1, https://api.avalara.com/vat-reporting/v1, http://{{baseurl}}.

30 operations 28 paths 15 schemas 11 GET19 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.0
Servers
https://avataxbr-sandbox.avalarabrasil.com.br/v3
https://rest.avatax.com
https://sandbox-rest.avatax.com
https://exciseapi.avalara.com/api/v1
https://api.avalara.com/vat-reporting/v1
http://{{baseurl}}
Authentication
HTTP Bearer, HTTP Basic
Resource Areas
1

Authentication & Security 2

Avalara Transactions API declares 2 security schemes for authenticating requests. It accepts HTTP bearer tokens (bearerAuth). It accepts HTTP basic authentication (basicAuth).

  • bearerAuth — Bearer token authentication
  • basicAuth — Use your AvaTax username/password or accountId/licenseKey as basic auth credentials

Paths & Operations 30

Across 28 paths, the API surfaces 30 operations — 11 GET, 19 POST. Each is listed below with its method, path, parameters, and response codes.

Transactions 30

Manage tax transactions

GET
/transactions
Avalara List Transactions
listTransactions 2 params → 200
POST
/transactions
Avalara Submit VAT Transactions
submitTransactions body → 202
POST
/api/v2/transactions/create
Avalara Create a New Transaction
createTransaction body → 200400401
GET
/api/v2/companies/{companyCode}/transactions/{transactionCode}
Avalara Retrieve a Single Transaction by Code
getTransactionByCode 3 params → 200404
POST
/api/v2/companies/{companyCode}/transactions/{transactionCode}/adjust
Avalara Adjust a Committed Transaction
adjustTransaction 2 params body → 200
POST
/api/v2/companies/{companyCode}/transactions/{transactionCode}/commit
Avalara Commit a Transaction
commitTransaction 2 params body → 200
POST
/api/v2/companies/{companyCode}/transactions/{transactionCode}/void
Avalara Void a Transaction
voidTransaction 2 params body → 200
POST
/api/v2/transactions/{transactionCode}/refund
Avalara Create a Refund for a Transaction
refundTransaction 1 param body → 200
GET
/Transactions
Avalara List Excise Transactions
listTransactions 4 params → 200
POST
/Transactions
Avalara Create an Excise Transaction
createTransaction body → 201
GET
/Transactions/{transactionId}
Avalara Retrieve an Excise Transaction
getTransaction 1 param → 200
POST
/api/v2/companies/transactions/lines/add
Avalara AddLines
2 params body → 200
GET
/api/v2/companies/{companyCode}/transactions/{transactionCode}/audit
Avalara AuditTransaction
3 params → 200
GET
/api/v2/companies/{companyCode}/transactions/{transactionCode}/types/{documentType}/audit
Avalara AuditTransactionWithType
4 params → 200
POST
/api/v2/transactions/lock
Avalara BulkLockTransaction
2 params body → 200
POST
/api/v2/companies/{companyCode}/transactions/{transactionCode}/changecode
Avalara ChangeTransactionCode
4 params body → 200
POST
/api/v2/transactions/createoradjust
Avalara CreateOrAdjustTransaction
2 params body → 200
POST
/api/v2/companies/transactions/lines/delete
Avalara DeleteLines
2 params body → 200
GET
/api/v2/companies/{companyCode}/AllVariance
Avalara GetAllVarianceReportByCompanyCode
2 params → 200
GET
/api/v2/companies/{companyCode}/transactions/{transactionCode}/types/{documentType}
Avalara GetTransactionByCodeAndType
4 params → 200
GET
/api/v2/transactions/{id}
Avalara GetTransactionById
2 params → 200
GET
/api/v2/companies/{companyCode}/transactions/{transactionId}/variance
Avalara GetVarianceReportByCompanyCodeByTransactionId
3 params → 200
GET
/api/v2/companies/{companyCode}/transactions
Avalara ListTransactionsByCompany
2 params → 200
POST
/api/v2/companies/{companyCode}/transactions/{transactionCode}/lock
Avalara LockTransaction
4 params body → 200
POST
/api/v2/companies/{companyCode}/transactions/{transactionCode}/refund
Avalara RefundTransaction
4 params body → 200
POST
/api/v2/companies/{companyCode}/transactions/{transactionCode}/settle
Avalara SettleTransaction
4 params body → 200
POST
/api/v2/companies/{companyCode}/transactions/{transactionCode}/uncommit
Avalara UncommitTransaction
3 params body → 200
POST
/api/v2/companies/{companyCode}/transactions/{transactionCode}/unvoid
Avalara UnvoidTransaction
3 params body → 200
POST
/api/v2/companies/{companyCode}/variance
Avalara VarianceReport
3 params body → 200
POST
/api/v2/companies/{companyCode}/transactions/{transactionCode}/verify
Avalara VerifyTransaction
4 params body → 200

Schemas 15

The contract defines 15 schemas that model the data the API accepts and returns. The most detailed are TransactionModel (13 properties), VATTransaction (11 properties), TransactionSummary (10 properties), AddressInfo (9 properties). Each schema is shown below with its type and property counts.

TransactionSummary
object
10 properties
TransactionLineModel
object
8 properties
RefundTransactionModel
object
5 properties 3 required
ErrorResult
object
1 property
AdjustTransactionModel
object
3 properties 2 required
VoidTransactionModel
object
1 property 1 required
CreateTransactionModel
object
8 properties 5 required
TransactionModel
object
13 properties
TransactionBatch
object
2 properties
CommitTransactionModel
object
1 property 1 required
AddressInfo
object
9 properties
VATTransaction
object
11 properties
TransactionAddressModel
object
8 properties
ExciseTransaction
object
7 properties
LineItemModel
object
8 properties 1 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

avalara-transactions-api-openapi.yml Raw ↑

Other APIs Avalara publishes across the network.

AvaTax SOAP API
Avalara Tax Content for Retail Configuration API
Self-Serve Tariff Classification API
License Guidance Order API
Avalara 1099 Forms API
Avalara Accounts API
Avalara Addresses API
Avalara AdvancedRules API
Avalara Attributes API
Avalara Authentication API
Avalara AvaFileForms API
Where this information came from

This is an independent, third-party profile of Avalara Transactions API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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