---
title: "Threat-intelligence reputation for an indicator of..."
method: GET
path: "/api/security/ioc-reputation"
tags: ["security"]
---

# Threat-intelligence reputation for an indicator of...

`GET /api/security/ioc-reputation`

## Request

- Base URL: `https://2s.io`
- URL: `https://2s.io/api/security/ioc-reputation`
- Auth: API key in header `PAYMENT-SIGNATURE`

Threat-intelligence reputation for an indicator of compromise (IOC) — pass ioc as an IP, domain, URL, or file hash (md5/sha1/sha256) and the type is auto-detected. Returns a malicious boolean plus a per-source breakdown: abuse.ch ThreatFox (IOC→malware/threat mapping), URLhaus (malicious URLs on a host/URL), MalwareBazaar (known malware samples by hash), Feodo Tracker (active botnet C2 IPs), Tor exit-node membership, and Spamhaus DROP (hijacked/criminal netblocks). Each source reports listed + a detail. Sourced from live, hourly-rotating threat feeds an LLM cannot know — a ground-truth liveness check for SOC alert triage, log enrichment, and blocklist decisions. Absence of a match is not proof of safety.

## Query parameters

- `ioc` string, required
- `trial` 1

## Other responses

- `200` (unresolved $ref)
- `400`: Invalid request — not charged. error.code: BAD_REQUEST or INVALID_PARAM (parameter validation; error.details.issues lists each problem), MALFORMED_JSON, or a request-specific code. Other client errors: 405 METHOD_NOT_ALLOWED (wrong verb; see the Allow header), 413 PAYLOAD_TOO_LARGE.
- `402`: Payment required. Body is the x402 PaymentRequirements envelope with a multi-network accepts array; the per-call price is in accepts[].amount (and on the operation as x-2s-price). Sign for whichever rail you hold USDC on (EIP-3009 for Base, partial SPL transfer for Solana) and retry with the PAYMENT-SIGNATURE header (X-PAYMENT also accepted for v1 clients). Also PAYMENT_SETTLE_FAILED (error envelope) when a verified payment failed to settle: error.details.chargeStatus is "not_charged" (retry with a fresh payment) or "unknown" (the authorization may still settle before its deadline — check it before retrying).
- `429`: Too many requests — RATE_LIMITED: our per-IP / per-payer limiter. Not charged; retry after Retry-After.
- `5XX`: Server-side failure. 500 INTERNAL: unexpected error; quote error.errorId (also the X-2s-Error-Id header). 502 UPSTREAM_UNAVAILABLE (or another UPSTREAM_* code): the data provider failed — composite endpoints refuse unbilled when every source fails. 503 SERVICE_PAUSED: endpoint paused by the operator kill switch, retry after Retry-After; 503 SPEND_CAP: daily upstream budget exhausted. 504 UPSTREAM_TIMEOUT. Not charged.

---

[API](https://skmtc.dev/2s-io/apis/2s-the-most-everything-api.md) · [All operations](https://skmtc.dev/2s-io/apis/2s-the-most-everything-api/llms.txt) · [OpenAPI document](https://skmtc.dev/2s-io/apis/2s-the-most-everything-api/revisions/da4c5caf686e?raw)