[ Built for Arc · Circle Developer Grants ]

The Control Plane after agentic USDC payments work.

Haia helps Arc builders see what paid, what failed, what settled, and what needs review.

View Grant Deck
Arc
Circle
USDC
Haia
[ The Gap ]

Payments can execute.
Operations still break.

Circle/Arc unlocks volume, but volume without control creates operational drag.

Without Haia vs With Haia — payment flow comparison

Haia turns Arc-powered payment flows into operations teams can control and improve.

[ Product ]

One Control Plane.
Six operator workflows.

Haia turns Circle / Arc execution events into analytics, policy, reconciliation, and reliability workflows.

Per-call P&L

Revenue, cost, margin.

Agent attribution

Who earns, spends, fails.

Flow analytics

Where paid flows break.

Policy + HITL

Review risky actions.

Reconciliation

Match actions to settlement.

Reliability

Know what to trust.

See Product Walkthrough
[ Demo ]

From agent request to governed settlement.

The demo uses seeded Arc / USDC events to show the target integration path. Live Circle ingestion is the grant milestone.

1Agent invoked2x402 challenge
4Policy review3USDC submitted
5Arc settlement6Margin updated
[ Risk & Policy ]

Abnormal agent activity goes
to review before risk compounds.

Haia routes flagged activity into a human-in-the-loop queue with the rule, reason, payload, amount, destination, chain, and actions in one place.

Trigger

Abnormal USDC transfer.

Limit, allowlist, or anomaly check fires before settlement.

Context

Agent, amount, chain, destination.

Rule, reason, payload, and counterparty in one place.

Decision

Approve, reject, escalate, claim.

Human-in-the-loop action with a logged outcome.

[ Circle Integration ]

Circle surfaces map into Haia's execution model.

The adapter is the ingestion path. Haia Control Plane is the product.

Arc

Settlement rail for agentic USDC flows.

USDC

Unit for revenue, cost, and limits.

Circle Nanopayments

Event source for per-action payments.

x402

Payment flow for paid API calls.

Circle Wallets

Wallet activity for agents and apps.

Circle Gateway

USDC balance and movement signals.

CCTP / Bridge Kit

Cross-chain USDC execution context.

Developer Console Webhooks

Live event source for reconciliation.

[ Architecture ]

Circle / Arc events enter the existing Haia Control Plane.

The adapter ingests. The Control Plane normalizes, governs, reconciles, and measures.

  1. Ingest

    Capture Circle / Arc execution events.

  2. Normalize

    Map events into Haia’s model.

  3. Govern

    Evaluate policies before risk compounds.

  4. Reconcile

    Match actions with settlement records.

  5. Measure

    Track margin, failures, and reliability.

  6. Compound

    Build trusted execution history.

Demo today: seeded events. Grant scope: live webhooks, Arc reconciliation, SDK instrumentation.

[ Execution History ]

Every event becomes trusted operational data.

Over time, settlement consistency, completion reliability, failures, policy flags, and counterparty quality become a trusted execution record.

Future expansion may use this history for credit-readiness. Not the initial grant deliverable.

Execution events
Haia
Operational Trust Profile
[ Grant Scope ]

From demo path to live Circle-native integration.

The grant replaces seeded demo events with live Circle ingestion and production-ready modules.

  1. [ 01 ]

    Arc event layer

    Presets + adapter path.

  2. [ 02 ]

    P&L + attribution

    Margin by agent.

  3. [ 03 ]

    Reconciliation

    Action → Circle → Arc.

  4. [ 04 ]

    Guardrails + HITL

    Policies + review queue.

  5. [ 05 ]

    Developer path

    SDK instrumentation + docs.

View Grant Deck
[ Why Haia ]

Built for the layer every Arc builder will need.

Product foundation exists

Control Plane core is already built.

Circle path is clear

Seeded demo today, live milestones next.

Ecosystem multiplier

One operating layer for many Arc builders.

Team

Sergey Gorovenko

Sergey Gorovenko

Founder & CEO

Built Haia's technical foundation.

Ilia Frolov

Ilia Frolov

CRO & Product Architect

Defined the operator-layer wedge.

Tikhon Slasten

Tikhon Slasten

Development Lead

Leads Control Plane implementation.

Anton Patrynika

Anton Patrynika

COO

Drives delivery cadence.

[ Let's Connect ]

Circle makes agentic USDC payments possible. Haia makes them operational.

The Control Plane after payments work: observe flows, govern risk, reconcile settlement, and prove margin.

Ilia Frolov

Ilia Frolov

CRO & Product Architect

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