---
title: "Arc CCTP v2 Transfer Validator"
method: POST
path: "/v1/tools/validate_cctp_v2_transfer"
tags: ["TODO_TAGS_REVIEW"]
---

# Arc CCTP v2 Transfer Validator

`POST /v1/tools/validate_cctp_v2_transfer`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/validate_cctp_v2_transfer`
- Auth: none declared

Validates a CCTP v2 cross-chain USDC transfer for domain pair eligibility, Fast Transfer 30-second finality risk (LP availability), Hook payload safety, CCTP V1 (Legacy) deprecation status (begins 31 Oct 2026, completes 1 Dec 2026), and large-notional LP-depth risk. 6 checks, A–F grade. 13 CCTP v2 domains as of Oct 2025.

**Tool URL:** https://ainumbers.co/chaingraph/art-47-arc-cctp-transfer.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `dest_domain` string: type not evidenced by kernel source
  - `hook_payload` unknown
  - `notional_usd` unknown
  - `source_domain` string: type not evidenced by kernel source
  - `transfer_mode` string: type not evidenced by kernel source
  - `using_v1` boolean: type not evidenced by kernel source

## Response `200`

Successful tool execution result

- object
  - `verdict` string
  - `grade` string
  - `fail_count` integer
  - `warn_count` integer
  - `source_domain` string
  - `dest_domain` string
  - `transfer_mode` string
  - `notional_usd` integer
  - `compliance_flags` string[]

---

[API](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite.md) · [All operations](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/llms.txt) · [OpenAPI document](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/revisions/b462e4f5bb28?raw)