Integration overview

Penneo is not just a digital signing solution; we are a certified trust platform built on flexible and secure infrastructure that helps regulated companies reduce business risk and improve efficiency. If you're
building an integration, this section is your starting point — it explains what Penneo offers, introduces the concepts you'll meet, and helps you pick the right path before you write any code.

Penneo exposes its functionality through two products, each with its own API:

The two products

	Penneo Sign	Penneo Collect
What it does	Send files you already have for electronic signing	Gather data and documents from people through online forms and have them signed
You use it when	You already have files that need signatures	You need to collect information or files from someone first
Core objects	Case files, documents, signers	Forms, submissions
Signing	You build and control the signing flow	Signing is built in - every submission is signed
Typical trigger	"I have a document that needs signatures"	"I need information or files from someone, ending in a signed file"

How the two products relate

Penneo Collect is built on top of Penneo Sign. When someone completes a
Collect form, the resulting submission is signed automatically as part of the
flow — you don't need to connect the two products yourself.

That gives you a simple way to choose between them:

Reach for Penneo Sign when you already have the files and need
signatures on it.
Reach for Penneo Collect when you need to gather data or files
first, and want the outcome to be signed data and file(s).

What you can build

Automate signing flows - create case files, add signers, and send
files for signature directly from your own system (CRM, case management,
HR tooling, etc.).
Collect information at scale - publish Collect forms and pull the submitted signed
data and files back into your workflow.
React to signing events - use Penneo Sign webhooks to keep your system in
sync as case files progress.

How these docs are organised

This documentation is split into the following sections:

General Introduction (you are here) — the product-agnostic starting
point: this overview, core concepts, and choosing the right product.
Authentication — how to authenticate your requests; applies to both
products. See Authentication.
Penneo Sign documentation — full detail on the Sign API: endpoints,
request/response formats, and signing flows.
Penneo Collect documentation — full detail on the Collect API: forms,
publishing, and submissions.
Postman collections — ready-to-use collections for exploring both APIs.
Deprecation — notices about upcoming changes and sunset timelines.
FAQ — answers to common integration questions.

📘
New to Penneo?
Read this section top to bottom. Once you know which product and integration
method you need, jump into the dedicated Penneo Sign or Penneo Collect
documentation for the endpoint-level detail.