generated: '2026-07-26' method: searched source: >- Registry searches on 2026-07-26 against npm, PyPI, Packagist, RubyGems, NuGet and crates.io, plus the developer portal (https://developer.arthuronline.co.uk/), the Arthur API marketing page (https://www.arthuronline.co.uk/connect/arthur-api) and the provider GitHub organisation (https://github.com/arthur-crm). description: >- Arthur Online ships no first-party client libraries in any public package registry. Integrators call the v2 REST API directly, or drive it from the public Postman collection. The only public code the provider publishes is infrastructure and integration plumbing in github.com/arthur-crm, none of which is an Arthur API SDK. packages: [] searched: - {registry: npm, query: arthuronline, hits: 0} - {registry: npm, query: 'arthur online api', hits: 0, note: 'only unrelated packages'} - {registry: pypi, query: 'arthur-online / arthuronline / arthur-api', hits: 0, status: 404} - {registry: packagist, query: arthuronline, hits: 0} - {registry: rubygems, query: arthuronline, hits: 0} - {registry: nuget, query: arthuronline, hits: 0} - {registry: crates.io, query: arthuronline, hits: 0} provider_github: org: https://github.com/arthur-crm org_name: Arthur Online public_repos: 10 api_relevant: - name: webhookPayloadTemplates url: https://github.com/arthur-crm/webhookPayloadTemplates relevance: Official webhook payload templates referenced from the Arthur webhook documentation. official: true sdk: false - name: elevate-quickbooks url: https://github.com/arthur-crm/elevate-quickbooks relevance: PHP library for connecting to QuickBooks - part of Arthur's accounting integration, not an Arthur API client. official: true sdk: false - name: xero-php-custom url: https://github.com/arthur-crm/xero-php-custom relevance: Fork of xero-php-oauth2 carrying Arthur-specific changes for the Xero integration. official: true sdk: false not_sdk_note: >- The remaining repositories (terraform-aws-alb, customAtlantis, cachet, laravel-queue, storybookNextJS, go-webhook, .github) are internal platform tooling. alternatives: postman_collection: collections/arthur-online.postman_collection.json postman_documenter: https://documenter.getpostman.com/view/22554870/2s93sZ5YeM derived_openapi: openapi/ (16 documents, 317 operations - generate a client with openapi-generator)