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HomeCategoriesAuthentication & SecurityComparisonsHunter API vs OSV.dev API
Back to Hunter API Alternatives

Hunter API vs OSV.dev API Comparison: Discover the best for Authentication & Security in Nigeria

Detailed technical benchmark and comparison between Hunter API and OSV.dev API. Analyze pricing structures, verified webhooks, sandbox testing, authentication, and compliance for teams building in Nigeria.

VS
HHunter API

Hunter API

Find & verify professional email addresses from any company domain

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OOSV.dev API

OSV.dev API

OSV.dev API - Open source vulnerability database

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Hunter API is best for nigerian sales teams, recruiters, and outreach professionals who need to find and verify professional email addresses from company domains with a generous free tier and MCP server for AI-native workflows.

OSV.dev API is best for developers building Authentication & Security applications needing a reliable free tier.

Hunter API VS OSV.dev API Key Highlights

Highlight
HHunter API
Hunter API
OOSV.dev API
OSV.dev API
AuthenticationAPI Key (query parameter: ?api_key=YOUR_KEY)No Auth
Rate LimitDomain Search & Email Finder: 15 req/sec, 500 req/min. Email Verifier: 10 req/sec, 300 req/min.Free, no key
Sandbox Mode✓ Available✗ Not Available
WebhooksNot verified yet✗ Not supported
API Services
Email Address VerificationPhone Number Validation & Carrier Lookup
REST APIJSON ResponsesRate LimitingHTTPS Encryption
Supported Regions
NigeriaNigeriaGhanaGhanaKenyaKenya
NigeriaNigeriaGhanaGhanaKenyaKenya

Pricing & Fee Structure

Fee Component
HHunter API
Hunter API
OOSV.dev API
OSV.dev API
Free Tier / Trial Credits
  • Free:50 searches/month
  • Unified Credits system as of July 2025
Contact provider
Setup & Monthly Fees
  • Starter:$34/month annual ($49 monthly)
  • Growth:$73/month annual ($104 monthly)
  • Business:$244/month annual ($349 monthly)
Contact provider
Rates & Additional TermsStandard tier rates applyno key

Hunter API & OSV.dev API Feature by Feature Comparison

Feature / Capability
HHunter API
Hunter API
OOSV.dev API
OSV.dev API
Email Address Verification✓✗
Phone Number Validation & Carrier Lookup✓✗
Two-Factor Authentication (2FA / OTP)✗✗
OAuth 2.0 / SSO Integration✗✗
Password / Breach Detection✗✗
Phishing & Malware URL Detection✗✗
IP & Domain Reputation Scoring✗✗
Sandbox Testing Environment✓✗
REST API✗✓
JSON Responses✗✓
API Key Authentication✗✗
Rate Limiting✗✓
HTTPS Encryption✗✓
SDK / Client Libraries✗✓
Webhooks & Event Notifications✗✗
CORS Support✗✓
API Key / Token Authentication✓✓

Frequently Asked Questions

Which is better between Hunter API and OSV.dev API in Nigeria?
Hunter API is best for: Nigerian sales teams, recruiters, and outreach professionals who need to find and verify professional email addresses from company domains with a generous free tier and MCP server for AI-native workflows.. Meanwhile, OSV.dev API is best for: Developers building Authentication & Security applications needing a reliable free tier.. Your choice should align with whether your team prioritizes Hunter API's developer ecosystem or OSV.dev API's specific capability set.
Does Hunter API or OSV.dev API support webhooks and sandbox testing?
Hunter API provides a dedicated sandbox testing environment and has webhook status unverified. OSV.dev API does not provide sandbox testing and has webhook status unverified.
What are the fees and pricing models for Hunter API vs OSV.dev API?
Hunter API pricing: Free: 50 searches/month. Starter: $34/month annual ($49 monthly). Growth: $73/month annual ($104 monthly). Business: $244/month annual ($349 monthly). Unified Credits system as of July 2025.. OSV.dev API pricing: Free, no key. Both platforms offer tailored pricing structures for Nigerian transactions.
What authentication methods do Hunter API and OSV.dev API use?
Hunter API uses API Key (query parameter: ?api_key=YOUR_KEY) authentication with Domain Search & Email Finder: 15 req/sec, 500 req/min. Email Verifier: 10 req/sec, 300 req/min.. OSV.dev API uses No Auth authentication with Free, no key.

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