The short answer
DocuSign eSignature API is billed annual api plans / per-envelope. It has a free tier: Free developer sandbox (demo env, no production envelopes). The paid plans we list start at $50/mo ($600/yr) (Developer Starter).
Plans and prices
| Plan | Price | What it covers |
|---|---|---|
| Developer Starter | $50/mo ($600/yr) | Entry API plan with a small monthly envelope allowance (~40); core eSignature REST API for prototyping and low-volume apps. |
| Developer Intermediate | $300/mo ($3,600/yr) | Higher envelope allowance (~100/mo) and additional API capabilities for production integrations. |
| Developer Advanced | $480/mo ($5,760/yr) | Unlocks premium APIs: Bulk Send, PowerForms, Connect webhooks, and signer attachment requests for high-automation use cases. |
| Enterprise | Custom | Negotiated on volume/seats; tailored or unlimited envelope quotas, SSO, governance, and premium support. |
How DocuSign eSignature API bills you
The pricing model is annual api plans / per-envelope. The category-defining incumbent with the broadest SDK coverage, deepest compliance posture, and largest proven enterprise scale, but live API access sits behind paid plans. Best suited to: enterprise-grade e-signature for regulated, high-volume workflows.
What to watch for on the bill
- Expensive relative to competitors; ~1 in 4 critical reviews cite pricing or billing surprises
- Premium API features (Bulk Send, PowerForms, Connect) gated behind the $480/mo Advanced tier
- Envelope-based metering with tight quotas pushes real volume into custom Enterprise contracts
- Customer support quality on lower tiers is a recurring complaint
The pricing page we read

Source: https://ecom.docusign.com/plans-and-pricing/developer. Prices change, so confirm there before you commit.
Compare DocuSign eSignature API with alternatives
- DocuSign eSignature API vs Dropbox Sign API pricing
- DocuSign eSignature API vs PandaDoc API pricing
- DocuSign eSignature API vs BoldSign API pricing
Other e-signature apis: Dropbox Sign API, PandaDoc API, BoldSign API, Adobe Acrobat Sign API, SignWell API.
Looking at quality rather than price? See the DocuSign eSignature API score on APIbenchmarks. Full entry: DocuSign eSignature API pricing.