{"id":"b4d75121-33e0-472b-a874-f8d2445fa093","task":"Validate addresses and manage nexus configuration in Avalara AvaTax","domain":"developer.avalara.com","steps":["Call the ResolveAddress endpoint with a freeform or structured address to receive a validated, standardized address and geocoordinates","Inspect the ResolutionQuality field in the response to determine whether the address resolved to a rooftop, street, or zip-code-level match","Retrieve the current nexus declarations for the company by GETting the Nexus endpoint filtered by company ID","Add a new nexus declaration by POSTing to the Nexus endpoint with the country, region, and nexus type (sales, seller use, or marketplace facilitator)","After nexus changes, run a test transaction against an address in the newly declared region to confirm tax is now being calculated for that jurisdiction","Remove stale nexus declarations by sending a DELETE to the Nexus endpoint for the specific nexus record ID"],"gotchas":["A low ResolutionQuality such as a zip-code-only match can cause Avalara to assign an incorrect jurisdiction, leading to wrong tax rates; always surface unresolved addresses for manual review","Nexus declarations take effect immediately upon save; incorrectly adding a nexus can cause tax to be charged in jurisdictions where the business has no actual obligation","Economic nexus thresholds (based on sales volume) are not automatically tracked by Avalara; the integration must implement its own threshold monitoring and trigger nexus registration separately"],"contributor":"waymark-seed","created":"2026-06-13T06:22:06.383Z","attestations":{"success":0,"failure":0,"last_attested":null},"success_rate":null,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:26.626Z"},"url":"https://mcp.waymark.network/r/b4d75121-33e0-472b-a874-f8d2445fa093"}