apyhub

The catalog.

466 services · 20 categories · One key, one bill

APIs trending now

By call volume
For agents

Connect MCP server.

One connection and your agent can discover, compare and call every API in the catalog.

Connect MCP →

All APIs

466 live
MarketingSEO
v1.0.0sync

Search Domains by Keyword API

Find domains by keyword intent. Returns ranked domains with a score, matched keywords, and total hits for search and brand naming workflows.

Dosvak LLCDosvak LLC
search-domains-by-keyword-intent
MarketingSEO
v1.0.0sync

Domain Authority Checker API

Look up authority-style metrics for any domain and get score fields plus source data. Built for SEO analysis, outreach, and competitor research.

Dosvak LLCDosvak LLC
lookup-domain-authority-metrics
Artificial Intelligence
v1.0.0sync

IAB Unified Content Classification API

Predict IAB labels from a URL, text, title, domain, or keywords across every tier. Returns scored results for tagging, routing, and taxonomy.

Dosvak LLCDosvak LLC
classify-unified
Artificial Intelligence
v1.0.0sync

IAB Tier 3 Content Classification API

Classify a URL, text, title, domain, or keywords into IAB Tier 3 labels. Returns the tier plus ranked predictions with scores for content tagging.

Dosvak LLCDosvak LLC
classify-iab-tier-3
Artificial IntelligenceMarketing
v1.0.0sync

IAB Tier 2 Content Classification API

Classify URLs, titles, text, domains, or keywords into IAB Tier 2 labels. Returns ranked predictions with scores for ad taxonomy and routing.

Dosvak LLCDosvak LLC
classify-iab-tier-2
Artificial IntelligenceMarketingSEO
v1.0.0sync

IAB Tier 1 Content Classification API

Predict Tier 1 IAB categories from a URL, text, title, domain, or keywords. Returns ranked labels with scores for classification and ad targeting.

Dosvak LLCDosvak LLC
classify-iab-tier-1
Data Validation
v1.0.0sync

Basic Language Detection API

Detect the language of a text string with a single lightweight call. Returns the detected language for routing, tagging, and localization work.

Dosvak LLCDosvak LLC
basic-detect-language
Artificial IntelligenceSmart Generation
v1.0.0sync

Chat Completion Generation API

Send messages and receive a model-generated reply with usage, timestamps, and choices. Built for chat apps, assistants, and task-oriented flows.

Dosvak LLCDosvak LLC
chat-completions
Artificial IntelligenceSmart Generation
v1.0.0sync

Simple Chat Prompt API

Send a prompt with optional model, max_tokens, temperature, and system_prompt. Returns the model reply, usage stats, and raw completion data.

Dosvak LLCDosvak LLC
simple-chat
Artificial IntelligenceMarketingSEO
v1.0.0sync

Extract Domain Insights API

Analyze a domain or URL and get a structured site profile with classification and keywords. Built for enrichment, SEO research, and lead scoring.

Dosvak LLCDosvak LLC
build-domain-profile
Data ValidationDeveloper ToolsStandard Data
v1.0.0sync

Phone Number Formatter API

Parse a phone number into E.164, international, and national formats. Returns validity plus country and region details for storage and display.

Dosvak LLCDosvak LLC
phone-number-format
CommunicationsData ValidationMarketing
v1.0.0sync

Email Deliverability Score API

Check an email for syntax, MX records, and disposable domains. Returns a score, quality level, and boolean checks to filter bad addresses early.

Dosvak LLCDosvak LLC
email-deliverability-score
For providers

Have an API to share?

Publish it, join the catalog, and earn from every call developers and their agents make.

Publish your API →
✦ Can't find it?

Request an API and our team scopes it, or publish your own service into the catalog and monetize it with the same key and billing.