11 Best URLhaus API Alternatives & Competitors

1. Hunter.io API

Data & Analytics, Communication, Developer Tools

Hunter.io is the leading email finder and verifier API used by sales teams, recruiters, and developers to find professional email addresses associated with any company domain. The Hunter API provides domain search (find all emails at a company), email finder (find a specific person's email), and email verifier (check if an email address is deliverable) endpoints. Nigerian developers building B2B outreach tools, lead generation platforms, CRMs, and sales automation products use Hunter to enrich contact data and validate email lists before sending campaigns. Returns confidence scores, email pattern detection, and sources for each result. Free tier includes 25 searches/month; paid plans from $49/month.

2. Pantry API

Developer Tools, Cloud Storage

Pantry is a free cloud storage API for JSON data, designed for developers who need a quick, zero-configuration backend for hobby projects, demos, portfolios, and prototypes. The Pantry API lets you create "baskets" (named JSON stores) and perform CRUD operations — no database setup, no authentication complexity. Simply POST a JSON payload to your basket URL and GET it back later. Nigerian developers building coding bootcamp projects, hackathon prototypes, tutorial apps, or weekend side projects use Pantry as a lightweight persistence layer without needing a full backend. Free forever with 25MB storage per pantry. No sign-up required for basic usage.

3. CountAPI

Developer Tools, Data & Analytics

CountAPI is a free, simple HTTP API for storing and incrementing named counters — perfect for page view trackers, download counters, button click analytics, and any feature where you need a lightweight event counter without setting up a database. The API is namespaced so each key is globally unique, and operations include get, hit (increment), set, update (increment by N), create, and info. Nigerian developers building personal blogs, open-source project pages, link-in-bio tools, and portfolios use CountAPI to add live visitor counts or interaction counters in minutes. No authentication required. Free to use.

4. Pulsedive

Data & Analytics, Security

Pulsedive provides threat intelligence and indicator analysis. The service analyzes IPs, domains, and files for threats. Freemium with paid plans. For security analysis and threat intelligence.

5. Ciprand

Utility Tools, Security, Development Tools

Ciprand is a secure random string generator service for creating cryptographically secure random values. The service generates random strings, tokens, and passwords. Features include various string types, configurable length, and secure generation. Completely free. Essential for security-related applications.

6. Shodan

Data & Analytics, Security

Shodan is a search engine for internet-connected devices. The service finds IoT devices, servers, and network infrastructure. Freemium with paid plans. For cybersecurity research and network discovery.

7. Auth0

Development Tools, Authentication, Security

Auth0 API is a leading identity and authentication platform providing secure user authentication, single sign-on (SSO), and identity management for web and mobile applications. The Auth0 API handles the complexities of user authentication including social login, passwordless authentication, multi-factor authentication, and user profile management so developers can focus on building their product. Nigerian developers and startups use the Auth0 API to quickly add enterprise-grade authentication to applications without building auth from scratch.

8. GreyNoise

Data & Analytics, Security

GreyNoise provides threat intelligence and IP reputation data. The service identifies benign vs malicious IP activity. Freemium with paid tiers. For security operations and threat detection.

9. PhishTank API

Data & Analytics, Security

PhishTank API provides phishing website detection and verification. The service identifies reported phishing sites. Completely free. For security and fraud prevention applications.

10. GitGuardian

Development Tools, Security

GitGuardian detects secrets and API keys leaked in code repositories. The service scans for exposed credentials. Freemium with paid plans. For DevOps and code security.

11. Fingerprint Pro (formerly FingerprintJS)

Development Tools, Security

FingerprintJS Pro provides device fingerprinting for fraud detection. The service identifies devices even without cookies. Freemium with paid plans. For fraud prevention and analytics.