# Email & Communication Security API

> Analyze email headers, detect spoofing and phishing signals, surface BEC patterns, check brand-domain impersonation, analyze URL redirect chains, inspect attachment risk structures, and compare conversation copies—using caller-supplied EML/headers/attachments plus optional public DNS and SSRF-safe URL follows.

- Product: https://www.brainiac.software/api/email-security
- Docs: https://www.brainiac.software/api/email-security/docs
- OpenAPI: https://www.brainiac.software/api/email-security/openapi.json
- Contact: support@brainiac.software (https://www.brainiac.software/contact)

## Operations

- POST /api/v1/email-security/header-forensics — $0.04 USDC — Analyze email headers: Analyze caller-supplied email headers for routing hops and suspicious inconsistencies (From/Return-Path/Reply-To, auth results, dates). Indicators only—not confirmed malice. Docs: https://www.brainiac.software/api/email-security/docs#email-security-header-forensics
- POST /api/v1/email-security/spoofing-detect — $0.05 USDC — Detect email spoofing indicators: Detect sender spoofing indicators from supplied SPF/DKIM/DMARC authentication results and optional public DNS TXT evidence. Not a confirmed spoof verdict without multi-signal evidence. Docs: https://www.brainiac.software/api/email-security/docs#email-security-spoofing-detect
- POST /api/v1/email-security/phishing-signal-detect — $0.04 USDC — Detect phishing signals: Identify phishing indicators in caller-supplied email content and URLs (urgency phrases, lookalike hosts, IP URLs, password forms). Indicators are not confirmed malicious activity. Docs: https://www.brainiac.software/api/email-security/docs#email-security-phishing-signal-detect
- POST /api/v1/email-security/bec-pattern-detect — $0.05 USDC — Detect BEC patterns: Detect Business Email Compromise patterns such as payment-change language, executive persona cues, external Reply-To, and lookalike sender domains from supplied mail. Docs: https://www.brainiac.software/api/email-security/docs#email-security-bec-pattern-detect
- POST /api/v1/email-security/domain-impersonation-check — $0.03 USDC — Check domain impersonation: Identify domains resembling supplied company or brand domains using edit distance, hyphen variants, homoglyph folding, and brand-token embedding. Resemblance is not proof of abuse. Docs: https://www.brainiac.software/api/email-security/docs#email-security-domain-impersonation-check
- POST /api/v1/email-security/url-chain-analyze — $0.05 USDC — Analyze email URL redirect chains: Analyze caller-supplied redirect hops or optionally follow public URLs with strict SSRF protections. Never sends email content to external scanners. Docs: https://www.brainiac.software/api/email-security/docs#email-security-url-chain-analyze
- POST /api/v1/email-security/attachment-risk-analyze — $0.04 USDC — Analyze email attachment risk: Inspect caller-supplied attachment filenames, metadata, and local magic-byte structures for suspicious patterns. No external sandbox or scanner is used. Docs: https://www.brainiac.software/api/email-security/docs#email-security-attachment-risk-analyze
- POST /api/v1/email-security/conversation-tamper-detect — $0.05 USDC — Detect conversation tampering: Identify inconsistencies between supplied email conversation copies (missing messages, body hash mismatches, header field divergence). Export artifacts are distinguished from confirmed tampering. Docs: https://www.brainiac.software/api/email-security/docs#email-security-conversation-tamper-detect