Blueink eSignature API vs BoldSign
Blueink eSignature API
developer.blueink.com
BoldSign
boldsign.comSide by side
| Figure | Blueink eSignature API | BoldSign |
|---|---|---|
| Price from | $90/mo | $5/mo |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | — |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Plans published | 7 | 5 |
| Spec score · E-Signature APIs Software | 8.3 (#7) | 9.3 (#1) |
| Spec score · Electronic Signature APIs | 8.2 (#10) | 9.3 (#1) |
| Founded | 2014 | 2021 |
| Headquarters | Scottsdale, Arizona | Morrisville, North Carolina, USA |
| Integrations | Blueink lists integrations including Airtable, Dropbox, Gmail, Google Drive, Google Sheets, HubSpot, Salesforce, Slack, and Zapier. | Listed integrations include Salesforce, HubSpot, OneDrive, Power Automate, Zapier, and Xero. |
Plans
Blueink eSignature API
- Bronze (annual)$90 a month
- Bronze (monthly)$108 a month
- Silver (annual)$240 a month
- Silver (monthly)$288 a month
- Gold (annual)$480 a month
- Gold (monthly)$579 a month
- EnterprisePriced on request
BoldSign
- EssentialFree
- Growth$5 a month
- Business$25 a month
- Premium$138 a month
- Enterprise API$0.75, paid once
In their own words
Blueink eSignature API
Blueink eSignature API has no write-up on Specifiction yet; its figures are above.
BoldSign
BoldSign is an electronic signature service for sending, signing, and managing documents. It offers templates, bulk sending, audit trails, SMS authentication, and signature ordering, along with APIs and SDKs for embedding signing workflows in applications. Android and iOS apps support mobile signing, and Chrome and Edge extensions are available. The free Essential plan includes 25 envelopes per month, two templates, and one user. A 30-day free trial does not require a credit card; paid plans start at $5/user/mo (annual). Team collaboration, roles, custom permissions, and single sign-on are included in Business and higher plans. Listed integrations include Salesforce, HubSpot, OneDrive, Power Automate, Zapier, and Xero. BoldSign states that it uses AES-256 encryption and complies with SOC 2, GDPR, HIPAA, and PCI DSS. It describes its signatures as legally enforceable under the ESIGN Act, eIDAS, and global laws. Essential support includes email, chat, and phone.