Avalara

Avalara Customers API

Manage customer records and their certificate associations

GitHub OpenAPI

Operations 18

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

GET /api/v2/companies/{companyId}/customers List an AvaTax company's customers · Avalara List Customers for a Company #
Ask an LLM
“Which customers are recorded under my AvaTax company?”
“Can I filter an AvaTax company's customer list?”
Tell an agent
List customers for AvaTax company {companyId}.
Show customers of company {companyId} matching {filter}.
POST /api/v2/companies/{companyId}/customers Create a customer under an AvaTax company · Avalara Create a New Customer #
Ask an LLM
“Can I add a customer record directly under a specific AvaTax company?”
“Where do I create customers scoped to one company ID for exemption tracking?”
Tell an agent
Create a new customer under AvaTax company {companyId}.
Add a customer record to company {companyId}.
GET /customers List all customers · Avalara List Customers #
Ask an LLM
“What customers do I have in my exemption certificate account?”
“Can I page through my full customer list?”
Tell an agent
List my customers.
Show customers page {page} with {pageSize} per page.
POST /customers Create a customer · Avalara Create a Customer #
Ask an LLM
“How do I add a new customer with a customer code and address?”
“Can I store a customer's email and phone when creating them?”
Tell an agent
Create customer {name} with code {customerCode}.
Add customer {name} at {line1}, {city}, {region} {postalCode}.
GET /customers/{customerId} Get a customer by ID · Avalara Get a Customer by ID #
Ask an LLM
“Can I pull up a single customer's details by ID?”
“What address is on file for a given customer?”
Tell an agent
Get customer {customerId}.
Show contact details for customer {customerId}.
PUT /customers/{customerId} Update a customer · Avalara Update a Customer #
Ask an LLM
“Can I change a customer's address after they move?”
“Is it possible to update a customer's email address?”
Tell an agent
Update customer {customerId} with email {emailAddress}.
Change customer {customerId} address to {line1}, {city}, {region}.
GET /customers/{customerId}/certificates List a customer's certificates · Avalara List Certificates for a Customer #
Ask an LLM
“Which exemption certificates does a specific customer have on file?”
“Can I check whether one customer has any certificates at all?”
Tell an agent
List certificates for customer {customerId}.
Show every exemption certificate customer {customerId} has submitted.
DELETE /api/v2/companies/{companyId}/customers/{customerCode} Delete a company customer by customer code · Avalara DeleteCustomer #
Ask an LLM
“How do I remove a customer from my AvaTax company?”
“Can I delete a customer record by its customer code?”
Tell an agent destructive · confirm first
Delete customer {customerCode} from company {companyId}.
Remove the customer with code {customerCode}.
GET /api/v2/companies/{companyId}/customers/{customerCode} Retrieve a company customer by customer code · Avalara GetCustomer #
Ask an LLM
“Can I look up a customer in an AvaTax company by their customer code?”
“What exemption details are stored for the customer code I pass on transactions?”
Tell an agent
Get customer {customerCode} in company {companyId}.
Show the AvaTax customer record for code {customerCode}.
PUT /api/v2/companies/{companyId}/customers/{customerCode} Replace a company customer by customer code · Avalara UpdateCustomer #
Ask an LLM
“How do I update a customer record I reference by customer code on transactions?”
“Does replacing an AvaTax company customer clear the fields I leave out?”
Tell an agent
Update customer {customerCode} in company {companyId}.
Replace the record for customer code {customerCode} with new details.
GET /api/v2/companies/{companyId}/customers/{customerCode}/attributes List the attributes linked to a customer · Avalara ListAttributesForCustomer #
Ask an LLM
“Which attributes are currently linked to a customer?”
“Can I check what attributes control a customer's behavior?”
Tell an agent
List attributes for customer {customerCode} in company {companyId}.
Show the attributes linked to customer {customerCode}.
GET /api/v2/companies/{companyId}/customers/{customerCode}/certificates List certificates linked to a company customer · Avalara ListCertificatesForCustomer #
Ask an LLM
“Which certificates are linked to a customer code in my AvaTax company?”
“Can I list a company customer's certificates by customer code?”
Tell an agent
List certificates linked to customer code {customerCode} in company {companyId}.
Show linked certificates for AvaTax customer code {customerCode}.
GET /api/v2/companies/{companyId}/customers/{customerCode}/certificates/{country}/{region} List a customer's valid certificates for a region · Avalara ListValidCertificatesForCustomer #
Ask an LLM
“Does this customer already have a valid certificate for a given state?”
“Can I check which certificates cover a customer in one country and region?”
Tell an agent
List valid certificates for customer {customerCode} in {country} {region} for company {companyId}.
Check whether customer {customerCode} has a valid certificate for region {region}.

Documentation

📖
Documentation
https://developer.avalara.com/api-reference/avatax/rest/v2/
📖
Documentation
https://developer.avalara.com/api-reference/communications/v2/
📖
Documentation
https://developer.avalara.com/api-reference/excise/v1/
📖
Documentation
https://developer.avalara.com/api-reference/item-classification/v2/
📖
Documentation
https://developer.avalara.com/api-reference/avatax-brazil/v1/
📖
Documentation
https://developer.avalara.com/api-reference/vat-reporting/v1/
📖
Documentation
https://developer.avalara.com/api-reference/myLodgeAPI/tax/
📖
Documentation
https://developer.avalara.com/api-reference/CertCapture/v2/
📖
Documentation
https://developer.avalara.com/api-reference/e-invoicing/v1.0
📖
Documentation
https://developer.avalara.com/api-reference/activationService/activationService/
📖
Documentation
https://developer.avalara.com/api-reference/business/v1/
📖
Documentation
https://developer.avalara.com/api-reference/oauth/oauth/
📖
Documentation
https://developer.avalara.com/api-reference/sharedservice/sharedCompanyService/
📖
Documentation
https://developer.avalara.com/api-reference/hscodeclassification/hscodeclassification/
📖
Documentation
https://developer.avalara.com/api-reference/avalara1099/avalara1099/

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/avalara/refs/heads/main/openapi/avalara-customers-api-openapi.yml
⚙
AsyncAPI
https://raw.githubusercontent.com/api-evangelist/avalara/refs/heads/main/asyncapi/avalara-certcapture-sqs-asyncapi.yml

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OpenAPI Specification

avalara-customers-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Avalara Customers API
  version: '1.0'
  description: 'Operations tagged Customers across 3 of this provider''s published API definitions: avalara-avatax-rest-openapi.yml, avalara-certcapture-openapi.yml, avatax-apis-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://rest.avatax.com
  description: AvaTax Production
- url: https://sandbox-rest.avatax.com
  description: AvaTax Sandbox
- url: https://api.certcapture.com/v2
  description: CertCapture API Production
- url: http://{{baseurl}}
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/avalara/refs/heads/main/openapi/avalara-customers-api-openapi.yml