The API Report CardAPI Index
Proposify

Proposify API

Sales Proposal / CPQ Software · proposify.com

The Connect API, public since April 2024, is REST with OAuth 2.0 and proposal lifecycle webhooks. It is gated to the Business plan (10-user minimum, roughly $7.8K per year) plus a manual Customer Success enablement step. Scopes, rate limits, and SDKs remain unpublished.

Last verified: July 2026Marketing & Sales
API GRADE
C
VERIFIED JUL 2026

SCORECARD

ExistenceGOODThe Connect API, public since April 2024, is REST at api.proposify.com/v1 with OAuth 2.0 and lifecycle webhooks.
AccessMIXEDBusiness plan only, a 10-user minimum near $7.8K per year, plus a manual Customer Success enablement step.
CoverageGOODDocument creation, prospect and contact management, and webhooks for sent, viewed, signed, and closed events.
AuthMIXEDOAuth 2.0 authorization-code flow, but scopes are not publicly enumerated; integrators confirm them with support.
Docs & DXPOORNo official SDKs and no published rate limits; third-party guides describe hand-rolling HTTP clients from scratch.
StabilityMIXEDPublic only since April 2024; endpoint coverage and stability still lag mature e-signature competitors.
MORE FROM THE REPORT CARD
Supergood: Proposify has an API, with gaps. We cover what it's missing: stable endpoints, normalized JSON, managed auth.

Frequently asked questions

Proposify scores C on the API Report Card. The Connect API, public since April 2024, is REST with OAuth 2.0 and proposal lifecycle webhooks. It is gated to the Business plan (10-user minimum, roughly $7.8K per year) plus a manual Customer Success enablement step. Scopes, rate limits, and SDKs remain unpublished.

Tried to integrate with Proposify?
SOURCES
API gated behind the Business plan (10-user minimum, ~$7.8K/yr floor) and requires a manual Customer Success enablement step, blocking SMB customers from programmatic access proposify.com
Rate limits and OAuth scopes are not publicly documented; integrators must contact Proposify support to confirm stitchflow.com
User-management webhook events are not documented; webhook surface is limited to proposal lifecycle events stitchflow.com
No officially published SDKs; third-party guides (Rollout, etc.) describe building HTTP clients from scratch rollout.com
API is relatively new (public release April 2024), so endpoint coverage and stability lag mature competitors like PandaDoc and DocuSign proposify.com
Frequent bugs, crashes, and lost data during proposal editing; reviewers report random changes appearing in saved proposals capterra.com
Prospects intermittently can't open sent proposals, causing lost deals; support unable to consistently resolve capterra.com
Text formatting is unpredictable and difficult to control; pasted/edited content frequently breaks layout capterra.com
Slow performance and slow processing times under normal use capterra.com
Inability to search contacts and inability to add duplicate contact emails called out as core CRM-feature gaps capterra.com
Template editing is fiddly and time-consuming; small layout changes can require significant rework capterra.com
Pricing pressure: Business plan ($65/user/mo, 10-user minimum) and Salesforce add-on ($9/user/mo) are expensive vs. PandaDoc/Better Proposals for similar core features checkthat.ai