Glossary
Short, answer-first definitions. Use search & toggle views.
A
- ACL Rules
- IP-based allowlist restricting which source addresses can call the API.
- Active Reports
- Current blocklist detections associated with an IP.
- API Key
- Secret token used to authenticate requests; store securely and rotate regularly.
- API Key Rotation
- Periodic regeneration of API keys to limit exposure risk.
- ASN
- Autonomous System Number identifying a routing domain on the internet.
B
- Base Analysis
- Underlying set of risk factors contributing to a risk score.
- Batch Analysis
- Submit multiple emails or IPs in a single async request and poll for completion.
- Batch Job
- Asynchronous processing task created by a bulk submission.
- BCP 47
- Standard for language and locale tags (e.g., en-US).
- Blocklisted
- Flag indicating listing in one or more external blocklists.
C
- Catch-All Domain
- Domain configured to accept mail for any local part.
- CIDR
- IP range notation combining address and prefix length (e.g., 192.168.0.0/24).
- Connection Type
- Network origin category (wired, mobile, vpn, cloud-provider, open-proxy, tor, etc.).
D
- Deliverable
- SMTP simulation indicates mailbox exists and accepts mail.
- Disposable Email
- Temporary address from a throwaway provider used for short-lived signups.
E
- Email Correction
- Suggested fix for a likely misspelled email address.
- Email Insights
- Verification, risk, and deliverability intelligence for email addresses.
- Email Provider
- Service or domain responsible for handling a mailbox.
- Email Type
- Classification of an address (free, disposable, private, unknown).
G
- Geolocation Confidence
- Probability tiers indicating accuracy at continent, country, region, city granularity.
H
- Host Reverse
- Reverse DNS hostname resolved from an IP (PTR record).
I
- Idempotency
- Pattern using unique request IDs to safely retry without duplication.
- Insight Score
- Normalized indicator derived from internal models for automated decisions.
- IP Insights
- Enrichment & risk scoring for IPs (geo, WHOIS, connection, blocklist, risk).
J
- Job ID
- Unique identifier returned for a batch job.
- Job Status
- Lifecycle state of a batch job (QUEUED, PROCESSING, COMPLETED, ERROR).
M
- MX Record
- DNS record listing mail exchange servers for a domain.
N
- No Query Parameters Policy
- Security measure avoiding sensitive data in URLs; all inputs via body or headers.
- Normalization
- Standardization of external signals into consistent internal attributes.
- Normalized Score
- Risk model output mapped to a 200–1000 scale.
O
- Organization ID
- Registry-issued identifier representing an organization.
P
- PII
- Personally Identifiable Information; sensitive data linked to an individual.
- Pre-Signed URL
- Time-limited link granting access to a batch results file.
R
- Rate Limit
- Max number of requests allowed in a time window; exceeding returns HTTP 429.
- Retry-After
- HTTP header telling how many seconds to wait before retrying.
- Reverse DNS
- PTR lookup mapping an IP address to a hostname.
- RIR
- Regional Internet Registry allocating IP address space.
- Risk Level
- Categorical mapping of normalized score to severity tiers.
S
- SDK
- Language helper library wrapping REST endpoints with idiomatic functions.
- Status Description
- Human-readable context associated with a batch job status.
T
- Trusted Provider
- Known provider/network classified as low-risk or enterprise.
W
- Webhook (Planned)
- Future callback mechanism to push job completion events.
- WHOIS
- Public registry data describing ownership of Internet resources.
Z
- ZTNA
- Zero Trust Network Access security model emphasizing identity & context over perimeter.
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