SignBox Pricing
signbox.io · Electronic Signature · refreshed 2026-05-06signbox.io/
at $4.91. Offers Free-forever plan.
$0
$4.91
per monthPlans & what each tier includes
Synthesized from SignBox's public pricing page on 2026-05-06. Tier names normalized to a starter / team / business / enterprise pattern; the actual SignBox pricing page is the source of truth for in-tier features.Free
$0
foreverFree tier with no credit card required
Access to SignBox's electronic signature surface
Limited usage
Documentation available on signup
Entry paid
$4.91
per monthSelf-serve checkout via card
Usage included up to plan cap
Public API access for integrations and AI agents
Account creation required for API key issuance
What SignBox charges
SignBox operates in the electronic signature space. The published pricing page lists 2 tiers, including a free tier, starting at $4.91/mo. The pricing page positions plans as: " at $4.91. Offers Free-forever plan.".
For the deeper analysis — score, simulation, pros & cons for AI agents, and the one-line fix that would lift this listing into the Verified band — see the agent-readiness scorecard.SignBox pricing FAQ
SignBox's lowest paid plan starts at $4.91 per month, with 2 tiers in total alongside a free tier. Pricing reflects what was published on 2026-05-06 — see the live SignBox pricing page for the most current terms.
Yes — SignBox publishes a free tier. This makes it possible to evaluate SignBox without committing budget.
SignBox's pricing page positions itself as: " at $4.91. Offers Free-forever plan.". For the strict definition of agent-buyable PPU — a per-task purchase that an AI agent can complete without an annual commitment — see the agent-readiness scorecard.
Yes. Every advertised SignBox tier is self-serve via card checkout, with no sales call required.
xpay scored SignBox 53 / 100 on its Agent-Ready SaaS Index, which places it in the Not Agent-Ready Yet band. SignBox publishes a pricing page with 2 discoverable plan tier(s). Self-serve signup appears available without a sales call. No public API was advertised on the SaaSworthy listing. A free or freemium tier appears to be offered. Tier 1 scorecard from public listing signals; pricing-page verification is a Tier 2 task. For the full 6-step purchase simulation and the one-line fix that would lift this listing into the next band, see the linked scorecard.
In the Electronic Signature category, xpay's Agent-Ready Index lists multiple alternatives ranked by their ability to support AI agent purchase. Visit the agent-readiness scorecard for SignBox to compare with 3 nearest peers, or browse the full Electronic Signature category from the index.
Compare with similar SaaS
Can an AI agent buy from SignBox?
53
/ 100 in xpay's Agent-Ready SaaS IndexSignBox publishes a pricing page with 2 discoverable plan tier(s). Self-serve signup appears available without a sales call. No public API was advertised on the SaaSworthy listing. A free or freemium …
See the full scorecardIncludes the 6-step agent purchase simulation, score breakdown across 7 dimensions, and the one-line fix that would lift SignBox into the Agent-Ready Verified band.At a glance
Available
$4.91/mo
1 tier
2
Compare nearby
SignBox pricing summary derived from a live read of https://signbox.io/ on 2026-05-06. For the agent-readiness assessment — including the 6-step purchase simulation and a per-dimension scorecard — see xpay's Agent-Ready SaaS Index entry for SignBox.