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name: api.x402agentic.ai
description: api.x402agentic.ai provides a single pre-settlement risk check for x402 payment envelopes. It validates payee addresses against OFAC and denylists, compares requested amounts against category price bands, and confirms network support, returning a structured allow/warn/block verdict with a risk score.
host: api.x402agentic.ai
---

# api.x402agentic.ai

This host is a compliance and risk gate purpose-built for the x402 payment protocol. It serves agents that autonomously settle payments and need a pre-flight sanity check before committing funds. Its scope is narrow and deliberate: one endpoint, one decision, covering payee safety, amount reasonableness, and network eligibility.

## When to use this host

Use this host when an agent is operating in an x402 payment flow and needs a pre-flight risk verdict before settlement — particularly when payee trust is unknown, amounts are variable, or multi-network support must be confirmed. Do not use it as a price oracle, a real-time market feed, or for post-settlement dispute handling. It has no utility outside the x402 protocol; for non-x402 payment flows, route to a payment processor or compliance service that matches your protocol. For post-settlement audit or dispute resolution, a separate on-chain or off-chain record system is required.

## Capabilities

### Pre-Settlement Risk Screening

Validates an x402 payment envelope across payee compliance (OFAC/denylist), amount plausibility against category price bands, and network support before any funds are committed.

- **`precheck-x402-payment`** — Validates an x402 payment envelope before settlement by checking payee validity, OFAC/denylist screening, price-band comparison, and network support, returning an allow/warn/block verdict with risk score.

## Skill reference

### `precheck-x402-payment`

**x402 Payment Precheck** — Validates an x402 payment envelope before settlement by checking payee validity, OFAC/denylist screening, price-band comparison, and network support, returning an allow/warn/block verdict with risk score.

*Use when:* Use when an agent is about to settle an x402 payment and needs a pre-flight risk verdict — specifically to confirm the payee address is safe, the requested amount is within normal category price bands, and the settlement network is supported before committing funds.

*Not for:* Do not use as a real-time price feed or for post-settlement dispute resolution; this is a single-shot pre-payment check only. Not suitable for non-x402 payment flows.

**Inputs:**

- `payTo` (string, required) — Destination wallet address from the x402 payment envelope being evaluated.
- `amount` (number, required) — Price in USD that the endpoint is requesting for the service.
- `network` (string, required) — Settlement network identifier (e.g. 'base' or 'eip155:8453').
- `category` (string) — Service category used for price-band comparison. One of: llm-compact, llm, market-data, crypto-data, rpc, scrape, web-search, social-data, data-enrichment, image-gen, video-gen, prediction, identity, generic.

**Returns:** Returns a verdict of 'allow', riskScore 0, a summary string, price band stats for the category, and an array of six named checks each with pass/warn/fail status and detail text.

**Example:** `GET https://api.x402agentic.ai/precheck?payTo=0xc23C4aFA42cbaBbc03D04Bc87ecB769Fc82F1f43&amount=0.01&network=base&category=llm`

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