Connect Postonce and eSignatures
Integrate Postonce with eSignatures to automate workflows, sync data between apps, and eliminate repetitive tasks with AI-powered automation.
Create Contract in eSignatures when New Post Created in PostOnce
Withdraw Contract from eSignatures when New Post Created in PostOnce
Add Contract Signer to eSignatures when New Post Created in PostOnce
Update Contract Signer in eSignatures when New Post Created in PostOnce
Delete Contract Signer in eSignatures when New Post Created in PostOnce
Popular Postonce + eSignatures flows
Start from a real workflow other teams are already running.
Choose a trigger
Postonce
When this happens...
New Post Created
Choose an action
eSignatures
Automatically do this!
Create Contract
Withdraw Contract
Add Contract Signer
Update Contract Signer
Delete Contract Signer
Resend Signature Request
Get Contract Placeholder Fields
Update Contract Placeholder Fields
Get Contract Content
Update Contract Content
Create Template
Update Template
Update Template Content
Get Template Details
Get Template Content
Add Template Collaborator
Remove Template Collaborator
Get All Templates
Get Contract Details
Delete Template
Get Template Collaborators
Create Contract in eSignatures when New Post Created in PostOnce
Use this flowWithdraw Contract from eSignatures when New Post Created in PostOnce
Use this flowAdd Contract Signer to eSignatures when New Post Created in PostOnce
Use this flowUpdate Contract Signer in eSignatures when New Post Created in PostOnce
Use this flowDelete Contract Signer in eSignatures when New Post Created in PostOnce
Use this flowResend Signature Request via eSignatures when New Post Created in PostOnce
Use this flowGet Contract Placeholder Fields from eSignatures when New Post Created in PostOnce
Use this flowUpdate Contract Placeholder Fields in eSignatures when New Post Created in PostOnce
Use this flowGet Contract Content from eSignatures when New Post Created in PostOnce
Use this flowUpdate Contract Content in eSignatures when New Post Created in PostOnce
Use this flowSupported Triggers & Actions
Everything you can automate between Postonce and eSignatures.
When this happensTriggers
A trigger is an event that starts a workflow.
New Post Created
Runs when a new post is created. You can filter by account and set the lookback minutes.
New Fully Signed Contract
Runs when a contract is fully signed by all parties.
Signer Views Contract
Runs when signer views a contract. Select a contract or signer to filter.
New Contract Sent to Signer
Runs when new contract is sent to a signer.
New Contract Signed
Runs when new contract is signed.
Do thisActions
Action is the task that follows automatically within your Postonce integrations.
Create Upload URL
Generate a signed upload URL for a media file by filename; MIME type is auto-detected from the filename extension.
Get Media
Retrieve a media item's storage path and public URL using its media ID.
Create Post
Create a post to selected accounts with content, media, scheduling, and platform-specific options.
List Posts
Retrieve posts or a single post by ID. Leave limit blank to return all posts or set 1-100; supports after cursor.
Cancel Post
Cancel a scheduled or pending post by Post ID without deleting its record or published content.
Publish Post
Publish a scheduled or draft Postonce post immediately by specifying the post ID.
Learn how to build your first workflow
Follow a simple walkthrough to create, test, and launch your first automation.
- 1
Connect your apps
Link the apps you want to automate.
- 2
Configure your workflow
Set up triggers, actions, and map your data.
- 3
Test & publish
Test your workflow and publish it.
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AI will build it for you
Just describe the task in plain English. viaSocket AI selects the right apps, builds the workflow, maps the fields, and prepares everything for review before you publish.
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About Postonce
PostOnce is a social media automation platform that enables creators, teams, and businesses to schedule and crosspost content across platforms including TikTok, Instagram, YouTube, Facebook, LinkedIn, X, Threads, Bluesky, and Pinterest.
Learn moreSimilar apps
About eSignatures
eSignatures.io is a platform that provides electronic signature solutions, enabling users to sign documents online securely and efficiently. It simplifies the process of obtaining legally binding signatures, making it ideal for businesses and individuals who need to manage contracts and agreements digitally.
Learn more
Frequently Asked Questions
Sign up for a free viaSocket account, then authorize both your Postonce and eSignatures accounts. From there, pick a trigger in one app and an action in the other. Your first workflow can be live in under five minutes.
Yes. viaSocket uses instant triggers where available, so data moves between Postonce and eSignatures as soon as the event happens. Scheduled polling triggers run at a maximum interval of 15 minutes.
Yes. You can map specific fields, apply filters to skip records that do not match your conditions, and transform values before they reach eSignatures. No coding required.
Yes. You can set up a workflow where Postonce triggers actions in eSignatures, and a separate workflow where eSignatures triggers actions in Postonce. Both run independently and in real time.
viaSocket logs every run so you can see exactly what succeeded and what failed. Failed tasks can be retried from the dashboard without re-configuring the workflow.
Yes, there is a free plan that covers basic workflows between Postonce and eSignatures. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire Postonce and eSignatures integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.
