The eSignature API market has grown quickly, with Docusign, HelloSign, BoldSign, Adobe Sign, and others competing for developer attention. Each has strengths and trade-offs - whether it's per-envelope pricing that scales badly, missing PDF generation, or docs that fall short on webhook depth.
We built eSignature API to fix the most common pain points: usage-based credits instead of per-envelope fees, PDF generation and signing in one platform, and a free plan that actually lets you build before you pay.
Detailed Comparisons
Each comparison includes pricing tables, feature breakdowns, and migration guides.
vs Docusign
No per-envelope fees, PDF generation built in, and a free plan with no credit card. Save significantly at scale.
View Comparisonvs HelloSign (Dropbox Sign)
Usage-based credits vs per-request pricing. Plus PDF generation and regional endpoints that Dropbox Sign doesn't offer.
View Comparisonvs BoldSign
Both are developer-first APIs. The key difference: CraftMyPDF generates the PDF and collects the signature in the same platform.
View Comparisonvs Adobe Sign
No enterprise sales process, transparent credit pricing, and a free plan. PDF generation included from day one.
View Comparisonvs PandaDoc
Developer-first REST API vs a sales-team tool with API added on. Simpler integration, credit pricing, no seat limits.
View Comparisonvs SignNow
Cleaner REST API, PDF generation included, and usage-based credits instead of per-invite pricing at higher volumes.
View ComparisonWhy developers choose eSignature API
PDF generation and signing
Generate a PDF from your template data and collect the signature in the same API call. No other provider in this comparison does both natively.
No per-envelope pricing
Pay by credits: 10 per signed document. No per-send fees, no seat limits, no overage charges on volume spikes.
Free plan that actually works
50 documents per month, no watermark, no credit card. Build and test your full integration before paying anything.
Regional endpoints
US, EU, Singapore, and Australia. Generate and store documents closer to your users for lower latency and data residency compliance.
Legally binding and compliant
ESIGN Act, UETA, and eIDAS (SES) compliant. SOC 2 Type II and HIPAA certified infrastructure hosted in Europe.
Five recipient roles
Signer, approver, viewer, form filler, and carbon copy. Sequential and parallel signing flows with full API control.
Ready to get started?
Start free with 50 documents. No credit card required. Most teams integrate in under a day.