
Connectors / Documents and e-signature · HTTP Connector
Automate Formstack Documents with Tray.ai
Create a document, create a data route and create a document delivery in Formstack Documents.
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What can you do with Formstack Documents on Tray.ai?
Formstack Documents, formerly WebMerge, fills document templates with data to produce contracts, letters and other files, then delivers them by email, storage or e-signature. Tray.ai connects to Formstack Documents through the HTTP Connector, so your workflows can call the Formstack Documents API alongside the rest of your stack.
- Connects through
- HTTP Connector
- Authentication
- Basic authentication
- Base URL
- https://www.webmerge.me/api
What the Formstack Documents API covers
3 resources and 13 documented actions, each one a call the HTTP Connector can make from a Tray.ai workflow.
Documents
- List documents
- Create a document
- Update a document
- Delete a document
- Merge a document
- Copy a document
Data Routes
- List data routes
- Create a data route
- Update a data route
- Delete a data route
- Merge a data route
Deliveries
- List document deliveries
- Create a document delivery
Checked against Formstack Documents's own documentation on 2026-10-22
How Tray.ai makes this work
Formstack Documents plugs into the whole Tray.ai platform
Intelligent Integration
Integrate and automate across 700+ connectors with visual workflows, error handling, and observability.
Learn more →Agent Builder
Build AI agents that read, write, and take action in Formstack Documents — with guardrails, audit, and human-in-the-loop.
Learn more →Agent Gateway for MCP
Expose Formstack Documents actions as governed MCP tools — observable, rate-limited, authenticated.
Learn more →More documents and e-signature apps on Tray.ai
Dedicated connectors and other apps Tray.ai reaches in the same category. See every documents and e-signature connector →
Frequently asked questions
What can a Tray.ai workflow do in Formstack Documents?
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The Formstack Documents API documents 13 actions across 3 resources (Documents, Data Routes, Deliveries). For example: List documents; List data routes; List document deliveries. A workflow can make any documented call through the HTTP Connector.
How does Tray.ai authenticate with Formstack Documents?
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The Formstack Documents API uses basic authentication. You save it once as a Tray.ai authentication, and the HTTP Connector adds it to every request.
See Formstack Documents working against your stack.
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