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For agent-native startups

Your agent can spend. Can you prove what it delivered?

Demos win interest. Production buyers ask for limits, refunds, and a receipt. Paybond Kit ships authorize → verify → release-or-refund → signed receipt — free in sandbox while you keep shipping product.

Start free in sandboxSee public pricing

Free sandbox · Pay as you go or Credits when you go live · Design-partner pilots and Custom needs available

What breaks after the first paying customer

A working agent proves the product can act. Customers also need clean failure paths, evidence they can review, and tenant-safe boundaries from day one.

  • Incomplete work needs a clean outcome

    Release-or-refund rules give the product a deterministic path when delivery fails — instead of founders arbitrating every exception in Slack.

  • Trust needs a receipt, not a screenshot

    Signed completion records show what the agent was allowed to do, what it delivered, and why funds released or refunded.

  • Multi-tenant cannot wait for Series A

    Every intent, capability, and receipt should scope from authenticated tenant credentials before the second customer lands.

Ship one Kit loop before you scale coverage

Start free in sandbox. Keep the same authorize → verify → release-or-refund → receipt lifecycle as paid volume grows.

  • Authorize before side effects

    Bound allowed operations and spend in the product surface you already ship — before the agent executes the paid tool call.

  • Verify completion evidence

    Attach delivery proof to the same intent so release decisions evaluate completed work, not a charge confirmation.

  • Release or refund

    Give customers a deterministic path when delivery succeeds or fails.

  • One portable signed receipt

    Hand engineering, finance, and design partners a reviewable artifact after each governed workflow.

Prove the loop before you scale the sales motion.

Integrate one paid workflow in free sandbox, exercise a refund path, and show engineering and finance the signed receipt.

Honest proof substitutes

  • Free sandbox for the first guardrail integration — before you meter production volume.
  • Public commercial surface: Sandbox, Pay as you go, Credits, Design-partner pilots, and Custom needs.
  • A signed receipt your design partner can review after each governed workflow.
Follow Kit onboarding

A startup-sized adoption sequence

Pick one customer-visible paid workflow. Make success and failure paths explicit before expanding coverage.

  1. Step 1

    Choose one paid operation

    Pick a tool call where failed delivery, duplicate spend, or missing evidence creates real customer pain.

  2. Step 2

    Authorize before execution

    Bind allowed operations and spend to authenticated tenant context before the agent runs the tool.

  3. Step 3

    Exercise release and refund

    Submit completion evidence, then test both successful release and an incomplete-work refund.

  4. Step 4

    Share the receipt

    Review the signed lifecycle with engineering, finance, and the design partner before expanding coverage.

Move from pilot to production

Validate one workflow end to end, then widen coverage.

  • Docs

    Kit onboarding

    Security model, integration sequence, and production checklist for a tenant-safe rollout.

    Read Kit onboarding

  • Use case

    Outcome-verified receipts

    How signed completion evidence drives release or refund and produces a portable receipt.

    Read Outcome-verified receipts

  • Use case

    Automatic refunds

    Design the failure path before the first customer depends on the workflow.

    Read Automatic refunds