Inkless eSignature | 4 followers on LinkedIn. The most flexible, cost-effective e-signature API — built for developers, trusted by enterprises. | Inkless is the API-first e-signature platform purpose-built for flexibility, speed, and scale. Whether you're a fast-growing startup or an enterprise platform, Inkless gives you everything you need to integrate secure, fully brandable e-signature workflows into your product — without the high costs and contract lock-ins of legacy providers. Built on the proven scale of Authentisign, Inkless processes over 40 million signatures annually and delivers enterprise-grade security and compliance out of the box, including AES-256 encryption, tamper-evident logs, and more