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Connectors / Finance · HTTP Connector
Automate Billabex with Tray.ai
Add a contact, create an invoice and create a credit note in Billabex. Connect Billabex to the rest of your finance stack with Tray.ai.
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What can you do with Billabex on Tray.ai?
Billabex is accounts receivable software from France that chases overdue invoices with an AI agent, tracking customer replies, payment promises and follow-up tasks. Tray.ai connects to Billabex through the HTTP Connector, so your workflows can call the Billabex API alongside the rest of your stack.
- Create an invoice in Billabex for each invoice issued in your accounting system so overdue chasing starts on time.
- Pause dunning for an account when your support team opens a billing dispute in your help desk.
- Get an account's dunning status and show it on the customer record in your CRM.
- Connects through
- HTTP Connector
- Authentication
- OAuth 2.0
- Base URL
- https://next.billabex.com/api/public/v1
Set it up
Connect Billabex to Tray.ai
Each step uses Billabex's own API details, from its documentation.
Step 1
Sign in to Billabex with OAuth 2.0
Set up an OAuth 2.0 authentication with the client ID and secret of an OAuth app you register with Billabex. Sign in once and every step reads the token from there.
Step 2
Point the HTTP Client at the API
Add an HTTP Client step and use https://next.billabex.com/api/public/v1 as the base URL. Or paste a cURL example from Billabex's API docs, and Tray.ai fills in the method, URL, and headers.
Step 3
Start with “List accounts”
It's one of 25 documented actions, under Accounts. The response comes back as data the next step can map into your other apps.
Step 4
Hand it to an AI agent
Wrap “Get an account” and “Create an account” in workflows, and Tray.ai's Agent Gateway for MCP publishes them as governed tools Claude and other AI agents can call.
What the Billabex API covers
6 resources and 25 documented actions, each one a call the HTTP Connector can make from a Tray.ai workflow. Connecting it takes a few clicks: here's how.
Accounts
- List accounts
- Get an account
- Create an account
- Update an account
- Delete an account
Contacts
- List contacts
- Add a contact
- Update a contact
- Upsert a contact
- Remove a contact
Invoices
- List invoices
- Get an invoice
- Create an invoice
- Update an invoice due date
- Delete an invoice
Credit notes
- List credit notes
- Create a credit note
- Delete a credit note
Dunning
- Get an account's dunning status
- Pause dunning for an account
- Resume dunning for an account
Account tasks
- List account tasks
- Search account tasks
- Close an account task
- Cancel an account task
Checked against Billabex's own documentation on 2026-10-22
How Tray.ai makes this work
Billabex plugs into the whole Tray.ai platform
Intelligent Integration
Integrate and automate across 9,000+ apps, databases, APIs, and services with visual workflows, error handling, and observability.
Learn more →Agent Builder
Build AI agents that read, write, and take action in Billabex — with guardrails, audit, and human-in-the-loop.
Learn more →Agent Gateway for MCP
Expose Billabex actions as governed MCP tools — observable, rate-limited, authenticated.
Learn more →Tray Helix
Build apps on Billabex data with your AI assistant, then deploy, run, and govern them on Tray.ai.
Learn more →More finance apps on Tray.ai
Dedicated connectors and other apps Tray.ai reaches in the same category. See every finance connector →
Frequently asked questions
What can a Tray.ai workflow do in Billabex?
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The Billabex API documents 25 actions across 6 resources (Accounts, Contacts, Invoices, Credit notes, Dunning, Account tasks). For example: List accounts; List contacts; List invoices. A workflow can make any documented call through the HTTP Connector.
How does Tray.ai authenticate with Billabex?
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The Billabex API uses OAuth 2.0. You save it once as a Tray.ai authentication, and the HTTP Connector adds it to every request.
See Billabex working against your stack.
We'll walk through a tailored demo with your systems plugged in.
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