Type it, done.
Create any automation by describing it in plain language. No flowcharts, no drag-and-drop wiring, no developer required.
Connect Brex and Notion — AI-native workflow automation
Build multi-step AI automations that flow through Brex and Notion — and chain in 1000+ other apps when the workflow needs them. One instruction, many steps, every API call run by AI. No code, no flowcharts, self-healing.
Brex and Notion are two anchors of a much bigger automation. Definable Workflow chains your billing system, your documents, and as many other tools as the job needs into a single multi-step flow — built, executed, and verified by AI. Describe the outcome; Workflow plans the steps, runs every API call, branches on conditions, fans out in parallel where useful, retries on failure, and self-heals when an upstream API shifts shape.
What you can automate between Brex and Notion
6 ways to automate Brex + Notion
- When a payment succeeds in Brex, file the document in Notion
- When a charge fails in Brex, extract structured fields from it in Notion
- When a new document is created in Notion, log the transaction in Brex
- When a doc is shared with you in Notion, update the customer record in Brex
- When a subscription renews in Brex, attach it to the right record in Notion, and log the result in a structured record for team review
- When an invoice is paid in Brex, request the next signer in Notion, then send a notification to the assigned owner with the full context
Most automation tools run code. Workflow runs on AI.
AI builds it AND runs it.
Other platforms use AI to generate brittle code that runs offline. Workflow's entire execution layer is AI — it interprets, decides, and acts step by step.
Self-healing by design.
Every step is monitored by a verification layer. If something fails — a rate limit, an unexpected response, a skipped condition — Workflow detects it, corrects it, and reruns automatically.
Cross-tool orchestration.
Multi-step, event-driven, condition-based flows across Brex, Notion, and 1000+ other tools — all from one instruction.
How Definable Workflow automation works — step by step
- 1
Describe your workflow
Type what you want to happen between Brex and Notion. No setup wizard.
- 2
Workflow builds it automatically
Definable maps your instruction to the right actions across both tools. You see the plan before it runs.
- 3
AI executes every step
Workflow runs end-to-end. It calls Brex, processes the data, applies your conditions, and fires the Notion action.
- 4
The verification layer monitors everything
Every step is verified. If something fails, Workflow catches it, adjusts, and retries — without you lifting a finger.
Example workflow
Trigger
When add webhook group members in Brex
Condition
If the Brex event matches your configured filter
Action
Insert row database in Notion
Verified
Workflow verified all steps completed successfully.
Frequently asked questions
What can I automate between Brex and Notion?
Anything you can describe. Workflow connects Brex (your billing system) and Notion (your documents) through a single instruction. Examples: when a payment succeeds in Brex, file the document in Notion; when a charge fails in Brex, extract structured fields from it in Notion. There's no limit to step count or branching depth.
Do I need to write code to connect Brex and Notion?
No. You describe the outcome in plain language and Workflow assembles the steps, authenticates both tools, runs the flow end-to-end, and self-corrects if anything fails.
What happens if Brex or Notion returns an unexpected response?
Workflow has a verification layer on every step. If a response is malformed, an API rate-limit hits, or a condition is unmet, Workflow detects it, adjusts, and reruns the step automatically — without breaking the flow.
How is this different from drag-and-drop automation tools?
Most automation tools generate static workflows that run brittle code. Workflow is AI-native: the execution layer interprets each step at runtime, so it adapts when Brex ships an API change or Notion returns a new field shape. You don't maintain it.
How long does it take to set up?
Minutes. Authenticate Brex and Notion, type what you want to happen, review the plan Workflow generates, and start running.
Your workflows. Built by AI. Run by AI. Fixed by AI.
Stop maintaining automations. Start describing outcomes. Workflow handles everything between Brex, Notion, and your entire stack.