Why not just call Stripe directly from the agent?

Stripe moves money. Paybond wraps paid tool calls with a funded intent, capability checks before side effects, signed evidence, and release or refund logic — so finance and security get a reviewable record, not just a charge.

Is Paybond an HTTP proxy or route allowlist layer?

No. Paybond does not proxy LLM inference or vendor HTTP, and route allowlists alone do not bound spend or verify outcomes. It authorizes at the tool boundary where spend happens and records proof afterward.

Can I use role permissions or OAuth alongside Paybond?

Yes. Role permissions and OAuth control who can access your app and APIs. Paybond controls whether this agent run may spend from this intent on this paid tool right now.

When is a pre-call if guard enough?

For a single internal tool with no disputes, refunds, or cross-runtime agents. It falls down when you add MCP hosts, multiple frameworks, audit export, or settlement lifecycle requirements.

Positioning

Add spend controls to your agent in minutes.

When agents start spending on tools and APIs, teams often reach for familiar patterns: call Stripe directly, restrict who can access the app, or allowlist which routes are permitted. This matrix shows what each option covers — and what it leaves to you.

Try it in sandbox Read the integration guide Extended landscape guide

Paybond selection rule

Use Paybond when an agent can spend, delegate, call paid tools, trigger vendor work, or create refund and dispute risk. Use narrower tools for model token caps, raw payment movement, or generic allow/deny without settlement state.

Comparison matrix

What each approach covers for delegated agent spend — not model token caps or generic API authentication alone.

Approach comparisonSwipe to compare columns

Dimension	Paybond Kit	Route allowlists	Policy engine	Role permissions	OAuth	Payment processor	Pre-call if guard
Delegation model Who can spend what, under which scope, and for how long.	Capability-scoped intent with bounded budget, allowed operations, and tenant-bound run binding.	Route and method allowlists; upstream API keys — no spend delegation or outcome scope.	Attribute-based allow/deny rules; scope is app-defined and not spend-bound by default.	Role and permission matrix in your IdP or app; not tied to a funded spend envelope.	Token scopes for API access; authenticates callers but does not reserve or bound spend.	Direct payment authorization (card, ACH, stablecoin) without tool-level delegation.	Ad-hoc checks in application code; easy to bypass when new tools or runtimes are added.
Evidence Proof that paid work completed and matches the agreed predicate.	Signed completion evidence with preset validation, receipts, and ledger provenance.	Request and response logs; no outcome verification against a spend agreement.	Decision audit logs; no canonical completion artifact for settlement.	Access grant and revoke audit trails; no spend outcome proof.	Token issuance and revocation logs; no tool-result evidence.	Payment receipts and webhooks; no linkage to declared completion criteria.	Developer-maintained records; inconsistent across tools and environments.
Settlement lifecycle Fund, authorize, execute, release, refund, or hold for review.	Funded intent → authorize tool spend → submit evidence → release, refund, review, or dispute.	Traffic routing only; no escrow, release, or refund state machine.	Evaluate and allow/deny; no settlement or fund reservation lifecycle.	Grant or deny access; no monetary settlement path.	Authenticate and delegate API access; no settlement state.	Capture and settle payments; no outcome-verified release against a predicate.	No settlement state; payment and authorization logic diverge per tool.
Disputes Structured path when outcomes, amounts, or completion disagree.	Built-in dispute cases, evidence export, refund flows, and operator review workspace.	Not provided.	Not provided.	Not provided.	Not provided.	Processor chargebacks; no intent predicate or evidence context.	Manual app logic; often missing for new tools.
Cross-runtime Same spend controls across agent frameworks and orchestrators.	Tool boundary across OpenAI, Claude, LangGraph, MCP, and custom orchestrators with one policy file.	Per-service proxy configuration; not aware of agent tool semantics.	App-integrated evaluation; each runtime wires its own enforcement point.	Centralized identity but not spend-aware at the tool handler.	Per-API OAuth flows; agents need bespoke token handling per vendor.	Per-rail integration (Stripe, x402, ACH); separate from agent tool wiring.	Copy-paste per tool; breaks when frameworks or MCP hosts change.
Secrets exposure Where payment, tenant, and authorization credentials live at runtime.	Capability token bound to intent; tenant ID never taken from unauthenticated tool arguments.	Proxy layer holds upstream API keys; agents still need direct credentials for many vendors.	Policy service credentials and policy data in your control plane.	IdP and service secrets; roles do not replace payment credential isolation.	OAuth client secrets and refresh tokens in app or agent host.	Payment credentials on server or in agent-adjacent code paths.	All payment and auth secrets reachable from the code path you are guarding.

Need vendor-specific comparisons? See Paybond vs Payman AI, LiteLLM budgets, and the full alternatives guide.

Try it in sandbox (no integration code)

Rehearse capability authorization, evidence submission, and settlement-shaped JSON in under a minute. Same command works for coding agents and local trace replay.

Sandbox smoke

terminal

Terminal commandSwipe to inspect long lines

paybond login
paybond agent sandbox smoke \
  --preset travel \
  --result-body '{"status":"completed","cost_cents":18700}' \
  --format json

Replay as trace timeline →Paybond CLI →Agent middleware →

FAQ

Why not just call Stripe directly from the agent?: Stripe moves money. Paybond wraps paid tool calls with a funded intent, capability checks before side effects, signed evidence, and release or refund logic — so finance and security get a reviewable record, not just a charge.
Is Paybond an HTTP proxy or route allowlist layer?: No. Paybond does not proxy LLM inference or vendor HTTP, and route allowlists alone do not bound spend or verify outcomes. It authorizes at the tool boundary where spend happens and records proof afterward.
Can I use role permissions or OAuth alongside Paybond?: Yes. Role permissions and OAuth control who can access your app and APIs. Paybond controls whether this agent run may spend from this intent on this paid tool right now.
When is a pre-call if guard enough?: For a single internal tool with no disputes, refunds, or cross-runtime agents. It falls down when you add MCP hosts, multiple frameworks, audit export, or settlement lifecycle requirements.