Sequence Agentic - Money movement for AI agents

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Sequence is the financial execution layer for AI agents. Unlike read-only tools, your agent uses the Sequence API to send, split, and route real money across all your bank accounts, cards, apps, and loans. Scoped API keys mean agents never hold your credentials, server-side spending limits keep you in control, and full audit trails log every action. The infrastructure is battle-tested in production on regulated rails, moving north of $3B. One-call integration from Claude, n8n, Zapier etc.

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Really love what you're building! Couple of questions:

  1. Does the API work with any vibe-coding platform, or only specific ones?

  2. What have you done to keep the flows secure?




1. Ā Yup! Sequence can plug into any vibe-coding platform and more broadly, anywhere where an API request can be made.
2. Security is obviously essential to Sequnence being a viable execution layer so I'd break it down into 3 main components.

  • Pre-execution: You can scope every API key to exactly the permissions you want to give your agent as it pertains to your finances. That means read-only (can be specific to certain accounts, transactions, or any other granular data) and write-access (only again you can granularly scope exactly how, when, and under what conditions it can move funds).

  • Execution: Sequence has already moved north of $3b over its rails. So for years we've been building infrastructure to handle large, complex transfers based on more detailed logic than just moving $50 to my investment account (you don't need Sequence for that).

  • Post-execution: Audit audit audit & logs. Anytime your agent interacts with Sequence, it leaves an incredibly clear trail. That is, you have complete transparency and visibility into how your agent is interacting with your finances.




Ā Thanks :)

Good luck team šŸš€

Ā Thank you!

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Super cool product! What stops an agent from moving money it's not supposed to, is there a human approval step anywhere?

Ā Thank you!

You decide that. Every key is scoped to specific accounts and specific limits, and you can require approval for anything above a threshold you set. It's not no human ever, it's human where you want it, automatic where you don't.

This is cool! Is this only for developers, or can non-technical people use it too?

Ā Thank you!

It's built API-first for developers, but non-technical folks aren't locked out. If your team already uses Claude, Cursor, n8n, or Zapier, you can wire Sequence in with one API call, and we also have our original UI, so you can use Sequence directly without writing any code.

Neat execution layer. How do you handle reconciliation when an agent triggers a movement across multiple accounts simultaneously?

Ā Thanks!

Sequence generally thinks of "automatoins" as having multiple steps. Each step moves money in a specific way, from/ to a specific account, and it all happens chronologically. So essentially, money can flow to multiple different destinations, and our banking layer will handle all the timing, balances, etc.

The security model is more interesting than the AI angle. Scoped keys plus server-side limits sounds much closer to how enterprises would actually approve agentic payments.

Ā Indeed. We have scoped keys, enforced server side, that allow you to limit source and target accounts, and of course the amounts. We have a full audit log of all movements and API calls (scoped per key), as well as a financial ledger for all money movements.

Thanks Sigal, the per-month-per-account ceiling is the part I care about most, because it's stateful in a way a prompt guardrail can never be, it survives across sessions and restarts. The thing I keep hitting building agents is the mid-plan rejection: when a movement gets denied for hitting a limit, does the agent get back a structured error it can actually reason about and re-plan around, or does the whole run just fail? And are retries idempotent if it resends the same movement?

Ā Money movements are async. When you trigger a money movement, you get a job ID, can track it's progress, including informative errors.
Retries are idempotent given you're using our idempotency token field.

spending limits and audit trails are the right instinct but the part i'd want to poke at is the failure mode where the agent's reasoning is fine on paper but it moves money based on a hallucinated balance or a bad read of an invoice. is the audit trail just a log after the fact, or is there a human approval step for anything above the scoped limit before it actually executes

Ā It really depends on how you choose to scope the key you give your agent ahead of time when you initially create the API key. The options for scoping are really granular, so you can effectively create a key that only allows "teeing up" the transfer/ automation but requires a human to click approve

That async-plus-job-ID shape is the right call, and the idempotency token is the bit I'd have asked for next. The failure I keep hitting building agents: the process dies right after firing a movement but before it sees the response, and on restart it re-issues the same call. Without a caller-supplied idempotency key that's a silent double-send. Glad yours is a first-class field and not a header afterthought.

Ā Thanks for your feedback! Appreciate this. Would love to hear more about your experience and value with the Sequence API

Very cool - was just looking at this for my YouTube channel, and thought the workflow for agent cards concept is cool, maybe like Ramp but for agent to agent or agent to product purchases.

Quick question - are there backstops I can put so when an agent wants make a purchase it blocks it due to constraints? Like if this then not this type vibe? Will yield great determinism to non-deterministic workflows

Ā Great question! You can limit your agent in several ways, depending on your goal. You can restrict it to a specific sub-account (created via our API and funded by you separately) so it can only access limited funds. You can also allow it to pay only specific destination accounts, and only up to specific amounts. And you can set various rules and conditions that permit money movement only in specific situations (for example, paying your credit card debt up to the minimum amount due)

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