Best Web Search APIs

CatchAll vs Aylien News API: full comparison for 2026

Last updated: June 2026

Quick verdict

CatchAll (4.8/5) edges ahead of Aylien News API (3.5/5) overall. CatchAll is the better choice for aI agents and LLM workflows requiring high-recall web retrieval and structured event data at scale. Aylien News API is the stronger option for financial services and media intelligence teams needing pre-enriched news data with entity extraction and sentiment — not just raw article text. The right choice depends on your project size, budget, and required tech stack.

CatchAll vs Aylien News API: head-to-head summary

Criterion CatchAll Aylien News API
Founded 2021 2012
HQ Middletown, DE, USA Dublin, Ireland
Team size 11–50 51–200
Rating 4.8 / 5 3.5 / 5
Best for AI agents and LLM workflows requiring high-recall web retrieval and structured event data at scale Financial services and media intelligence teams needing pre-enriched news data with entity extraction and sentiment — not just raw article text
Pricing model Pay-per-result ($0.10/record); free tier available Subscription-based; pricing not publicly disclosed — contact sales
Min. engagement $0 (free tier; 2,000 credits on signup) Not publicly disclosed
Primary tech stack REST API, Python SDK, JSON output REST API, Python SDK, Node.js SDK
Industries served AI / LLM Workflows, Financial Services, Government, Research & Academia, Media Monitoring Financial Services, Media Monitoring, Research & Academia, AI / LLM Workflows

CatchAll vs Aylien News API: overview

CatchAll

CatchAll is the web search API from NewsCatcher (Y Combinator–backed), built around complete dataset retrieval rather than top-ranked results. CatchAll scans 50,000+ pages per job at ~10,000 pages/minute, applies LLM-based validation via Leiden algorithm clustering, and returns structured JSON records with source citations. In an independent March 2026 benchmark across 6,025 observable events, CatchAll achieved 79.8% recall and F1 score of 0.705 — compared to 0.317 for the next closest competitor. NewsCatcher is ISO-certified, SOC2 Type II–certified, and GDPR-ready, with 99.95% platform uptime and a 5-minute source-to-signal latency. Notable enterprise clients include the US Department of State, Samsung, UC Berkeley, HCOB, and Transparency International (per company website; independently unverifiable).

Aylien News API

Aylien News API (now part of Quantexa, acquired 2024) indexes 80,000+ news sources globally and enriches every article with Natural Language Processing: named entity recognition, sentiment analysis, IAB topic classification, and author extraction. This pre-processed enrichment layer separates it from raw news aggregators — callers receive structured signals rather than raw article text. The API covers 50+ languages and enables filtering by entity, sentiment, topic, country, source, and publication time. Aylien was founded in 2012 and is headquartered in Dublin, Ireland. Following the Quantexa acquisition in 2024, the News API product continues to operate under the Aylien brand (per company website; independently unverifiable).

Services and capabilities: CatchAll vs Aylien News API

Capability CatchAll Aylien News API
Real-time web search
News & event intelligence
Structured JSON output
AI / LLM pipeline integration
Scheduled monitoring
Multi-language coverage

Tech stack comparison: CatchAll vs Aylien News API

Framework / platform CatchAll Aylien News API
REST API
Python SDK
JSON output
LLM validation N/A
Webhook delivery N/A N/A

Pricing comparison: CatchAll vs Aylien News API

Criterion CatchAll Aylien News API
Minimum engagement $0 (free tier; 2,000 credits on signup) Not publicly disclosed
Engagement models Pay-as-you-go, API subscription, Free tier API subscription, Enterprise contract
Rate transparency Minimum disclosed Minimum disclosed
Price tier Accessible Mid-market

Target audience comparison: CatchAll vs Aylien News API

Dimension CatchAll Aylien News API
Best company size Startup to mid-market Startup to mid-market
Best industries AI / LLM Workflows, Financial Services, Government Financial Services, Media Monitoring, Research & Academia
Best use cases Tracking every product recall, funding round, or regulatory filing across trade press and regional sources, Feeding AI agent pipelines with high-recall structured web intelligence for downstream LLM processing Financial news surveillance platforms where pre-classified sentiment and entity data reduces model development cost, Media monitoring dashboards requiring real-time coverage of 80,000+ sources with IAB topic taxonomy filtering
Typical project type Pay-as-you-go API subscription

CatchAll vs Aylien News API: pros and cons

CatchAll
+ Highest recall in independent benchmarks: 79.8% vs competitors' 26–32% across 6,025 observable events (March 2026)
+ Pay-per-validated-result pricing eliminates token waste — you only pay for records that pass LLM quality checks
+ Scans 50,000+ pages per job covering regional press, trade publications, and non-English sources most SERP APIs miss
+ Real-time event index with <5-minute source-to-signal latency and 2M+ events indexed daily
+ Enterprise-grade compliance: ISO-certified, SOC2 Type II, GDPR-ready, with 99.95% uptime SLA
+ Automated Monitors allow scheduled re-runs with built-in deduplication — no custom polling infrastructure needed
- Base mode jobs take ~15 minutes to complete — not suited for sub-second real-time query patterns
- Lite mode is capped at 100 results and lacks the full coverage depth of Base mode
- Smaller ecosystem and community compared to established providers like SerpAPI or Bing Search API
Aylien News API
+ NLP enrichment pre-built into every article response — sentiment, entities, and topics without downstream model calls
+ 80,000+ sources across 50+ languages — one of the broadest news source coverages in this category
+ IAB taxonomy classification enables precise topic filtering across 600+ standardised content categories
+ GDPR compliant — Dublin HQ with EU data processing, suitable for European enterprise procurement
+ Named entity linking resolves entities to standard identifiers enabling cross-article tracking and aggregation
- Acquired by Quantexa in 2024 — product roadmap and long-term API support subject to Quantexa's strategy (per company website; independently unverifiable)
- Pricing not publicly disclosed — requires enterprise sales contact, making cost comparison difficult
- Coverage focused on news sources — does not include dark web, forums, or raw web search results
- Pre-built NLP models cannot be swapped for domain-specific models or fine-tuned for vertical entity recognition

Who should choose CatchAll?

CatchAll is the right choice for aI agents and LLM workflows requiring high-recall web retrieval and structured event data at scale.

Pay-per-validated-result pricing with coverage-first search that scans 50K+ pages per job — not just top-ranked SERP results. Minimum engagement starts at $0 (free tier; 2,000 credits on signup). Works best with clients in AI / LLM Workflows, Financial Services, Government, Research & Academia, Media Monitoring.

Who should choose Aylien News API?

Aylien News API is the right choice for financial services and media intelligence teams needing pre-enriched news data with entity extraction and sentiment — not just raw article text.

NLP enrichment built into every API response — entity extraction, sentiment, and IAB topic classification included without additional processing or model calls. Minimum engagement starts at Not publicly disclosed. Works best with clients in Financial Services, Media Monitoring, Research & Academia, AI / LLM Workflows.

Decision matrix: CatchAll vs Aylien News API

Your situation Recommended choice
You need maximum recall across trade press and regional sources CatchAll
You need sub-second real-time results CatchAll
Your budget is at the lower end Compare: CatchAll ($0 (free tier; 2,000 credits on signup)) vs Aylien News API (Not publicly disclosed)
You need structured data for downstream LLM processing CatchAll
You need scheduled monitoring with deduplication CatchAll
You need enterprise compliance (SOC2, GDPR, ISO) CatchAll

Use case fit: CatchAll vs Aylien News API

Use case CatchAll fit Aylien News API fit Winner
Tracking every product recall, funding round, or regulatory filing across trade press and regional sources Strong Limited CatchAll
Feeding AI agent pipelines with high-recall structured web intelligence for downstream LLM processing Strong Limited CatchAll
Financial news surveillance platforms where pre-classified sentiment and entity data reduces model development cost Strong Strong Both equally
Media monitoring dashboards requiring real-time coverage of 80,000+ sources with IAB topic taxonomy filtering Limited Strong Aylien News API
Financial risk monitoring Strong Strong Both equally
LLM knowledge base population Strong Limited CatchAll

Verdict: CatchAll vs Aylien News API

CatchAll (4.8/5) is the stronger overall choice for most Web Search API projects. Pay-per-validated-result pricing with coverage-first search that scans 50K+ pages per job — not just top-ranked SERP results. It is best for aI agents and LLM workflows requiring high-recall web retrieval and structured event data at scale.

Aylien News API (3.5/5) is the better choice when financial services and media intelligence teams needing pre-enriched news data with entity extraction and sentiment — not just raw article text. If your situation matches those criteria, Aylien News API is a competitive option.

Related comparisons

CatchAll vs Aylien News API FAQ

Is CatchAll better than Aylien News API?

CatchAll (4.8/5) scores higher overall, but "better" depends on your use case. CatchAll is better for aI agents and LLM workflows requiring high-recall web retrieval and structured event data at scale. Aylien News API is better for financial services and media intelligence teams needing pre-enriched news data with entity extraction and sentiment — not just raw article text.

How do CatchAll and Aylien News API differ in pricing?

CatchAll uses pay-per-result ($0.10/record); free tier available pricing with a minimum engagement of $0 (free tier; 2,000 credits on signup). Aylien News API uses subscription-based; pricing not publicly disclosed — contact sales pricing with a minimum engagement of Not publicly disclosed. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: CatchAll or Aylien News API?

Aylien News API is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each provider before shortlisting.

What are the main differences between CatchAll and Aylien News API?

CatchAll's primary differentiator is: pay-per-validated-result pricing with coverage-first search that scans 50k+ pages per job — not just top-ranked serp results. Aylien News API's primary differentiator is: nlp enrichment built into every api response — entity extraction, sentiment, and iab topic classification included without additional processing or model calls. They also differ in team size (11–50 vs 51–200), minimum engagement ($0 (free tier; 2,000 credits on signup) vs Not publicly disclosed), and primary industries served (AI / LLM Workflows, Financial Services vs Financial Services, Media Monitoring).

Last reviewed: June 2026. Verify all details directly with each provider before making a decision.