isMalicious
isMalicious provides threat intelligence APIs that allow users to lookup IPs, domains, URLs, email addresses, phone numbers, crypto wallets, file hashes, CVEs, and ASN data. The platform emphasizes evidence-first investigations, offering free tier access with 250 requests per month and paid plans for higher volume and STIX/TAXII feeds. It integrates with SIEMs and threat intel platforms, delivering real-time data to enhance security operations.
isMalicious publishes 19 API contracts indexed on the APIs.io network, including Action Center API, Alerts API, Blocklist API, and 16 more. Tagged areas include Company, Threat Intelligence, Cybersecurity, STIX, and Threat Data.
The isMalicious catalog on APIs.io includes 1 event-driven AsyncAPI specification, 1 JSON-LD context, and 1 Spectral governance ruleset.
isMalicious’ developer surface includes authentication, support, sandbox, pricing, changelog, engineering blog, documentation, and 28 more developer resources.
Kin Score
Standards implemented 2
Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.
APIs 19
Individual APIs this provider publishes, each with its own machine-readable definition.
isMalicious Action Center API
Prioritized SOC action queue
isMalicious Alerts API
Alerting trends and metrics
isMalicious Blocklist API
Download blocklists and read their generation stats
isMalicious Briefs API
Executive risk briefs
isMalicious Cases API
SOC case workspace: cases and their evidence timeline
isMalicious Check API
Threat intelligence check endpoints for IPs, domains, URLs, and file hashes
isMalicious Cve API
CVE catalog: lookup by id, search and recent list (authenticated, one request each) and public statistics (EPSS, exploitation signals, time series — no authentication, not metered)
isMalicious Gate API
isinjected gate: prompt-injection scanning and link reputation for AI agents (own scan meter)
isMalicious Mail API
Inbound-message scan: what a mail's structure and the dataset say about it (gate scan meter, one unit per message)
isMalicious Monitoring API
Watch ownership and authenticated monitoring
isMalicious Platform API
Dataset freshness and data-ops pipeline status
isMalicious Ransomware API
Ransomware intelligence from the cached ransomware.live datasets: victims, groups, sectors, press. Authenticated, one request each except `/ransomware/live-quota`
isMalicious Search API
Search for similar malicious domains
isMalicious Stats API
Public dataset statistics — no authentication, not metered
isMalicious Submit API
Submit new threat intelligence sources
isMalicious Surveillance API
Vulnerability monitoring of the organisation's stack: watched sources (a domain, a lockfile/SBOM project, a manual stack), findings with the affected range and the fix, the aler...
isMalicious Taxii API
TAXII 2.1 / STIX 2.1 threat-intelligence feed (Pro and Enterprise). Never decrements the monthly request quota
isMalicious Trust API
Trust assessment contract
isMalicious Webhooks API
Webhook event catalog
Scroll for all 19
Agent Skills 3
Packaged agent skills for driving this provider's APIs from an AI assistant.
ismalicious-com-check-indicator
AGENT SKILLismalicious-com-gate-scan-workflow
AGENT SKILLismalicious-com-manage-case-evidence
AGENT SKILLisMalicious API pricing
Prices published by isMalicious, read 2026-11-12 from ismalicious.com/pricing.
| Plan | Price |
|---|---|
| Free | €0 |
| Basic | €49/month |
| Pro | €99/month |
| Enterprise | Contact sales |
Plan details, limits and sources →
Rate limits
- FREE per-minute burst: 60 / min
- FREE monthly quota: 250 / month
- BASIC per-minute burst: 60 / min
Pricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
isMalicious Rate Limits
RATE LIMITSEvent Specifications 1
AsyncAPI definitions for this provider's event-driven and streaming APIs.
Ismalicious Com Webhooks
ASYNCAPISemantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Ismalicious Com Context
JSON-LDSpectral Rules 1
Spectral governance rulesets for linting and validating these APIs. Counts are the severity each rule declares, not results of running them.
isMalicious API Rules
SPECTRALJSON Schema 6
Standalone JSON Schema definitions for this provider's data models.
BlocklistSchedule
JSON SCHEMACheckResponse
JSON SCHEMACreateSourceRequest
JSON SCHEMAExposureResponse
JSON SCHEMAMailScanResponse
JSON SCHEMAPasswordCheckResponse
JSON SCHEMASecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access (API Evangelist recommendations) 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Get Started 3
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 4
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 9
Pagination, idempotency, versioning, errors, and events
Scroll for all 9
Build 2
SDKs, sample code, and the tooling you integrate with
Access & Security 5
Authentication, authorization, and security posture
Operate 3
Status, limits, changes, and where to get help
Commercial 4
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Other 1
Properties that don't map to a standard resource type
Source (apis.yml)
isMalicious API — frequently asked questions
Does isMalicious have an API?
Yes. APIs.io lists 19 APIs from isMalicious, including isMalicious Action Center API, isMalicious Alerts API and isMalicious Blocklist API, and 16 more.
Is there an OpenAPI specification for the isMalicious API?
Yes. APIs.io indexes 19 OpenAPI specifications for isMalicious, each linked for download from this page.
How do I authenticate with the isMalicious API?
isMalicious uses bearer-token authentication (4 schemes). The details are profiled on APIs.io as isMalicious Authentication.
How much does the isMalicious API cost?
isMalicious publishes its prices; its Free plan is €0 as of 2026-11-12. APIs.io lists 4 pricing plans for isMalicious, with each plan's price, limits and inclusions under Pricing on this page.
Is the isMalicious API ready for AI agents?
isMalicious has a Kin Score of 65.0 out of 100 (strong) and an Agent Readiness score of 38.8 (agent-ready), scored by API Evangelist on 2026-11-13.
Work with this as data
Every provider here is available over the APIs.io API and to AI agents over MCP.