TaxJar API
Sales tax automation API for US-based e-commerce. Calculates real-time sales tax rates, manages nexus, automates filing, and handles exemptions. Simpler and more affordable than Avalara for mid-market.
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Avalara AvaTax API
Enterprise tax compliance platform providing real-time sales tax and VAT calculation, filing, and compliance across 12,000+ tax jurisdictions globally. Integrates with e-commerce and ERP systems.
82
Dropbox Sign API (HelloSign)
E-signature API (now Dropbox Sign) for embedding legally binding signature workflows, sending documents for signature, and managing signing status from agent workflows.
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