Best Web Search APIs

CatchAll vs SearchAPI.io: full comparison for 2026

Last updated: June 2026

Quick verdict

CatchAll (4.8/5) edges ahead of SearchAPI.io (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. SearchAPI.io is the stronger option for developers and small teams needing live Google SERP data across 15+ verticals with a generous no-card free tier and simple integration. The right choice depends on your project size, budget, and required tech stack.

CatchAll vs SearchAPI.io: head-to-head summary

Criterion CatchAll SearchAPI.io
Founded 2021 2022
HQ Middletown, DE, USA Not publicly disclosed
Team size 11–50 1–10
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 Developers and small teams needing live Google SERP data across 15+ verticals with a generous no-card free tier and simple integration
Pricing model Pay-per-result ($0.10/record); free tier available Pay-per-request; exact pricing tiers not publicly disclosed
Min. engagement $0 (free tier; 2,000 credits on signup) $0 (100 free requests/day, no credit card required)
Primary tech stack REST API, Python SDK, JSON output REST API, JSON output, Python examples
Industries served AI / LLM Workflows, Financial Services, Government, Research & Academia, Media Monitoring Marketing Analytics, E-commerce, Research & Academia, AI / LLM Workflows

CatchAll vs SearchAPI.io: 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).

SearchAPI.io

SearchAPI.io provides a real-time Google SERP API covering 15+ search verticals including Web, Images, News, Maps, Shopping, Jobs, Scholar, Patents, Autocomplete, and Related Questions. The API returns live results (not cached) and documents an average response time under 3 seconds. Positioned as a developer-friendly alternative to SerpAPI with simpler documentation and a more accessible free tier of 100 requests per day requiring no credit card. Founding year, HQ location, and team size are not publicly disclosed. No compliance certifications are documented (per company website; independently unverifiable).

Services and capabilities: CatchAll vs SearchAPI.io

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

Tech stack comparison: CatchAll vs SearchAPI.io

Framework / platform CatchAll SearchAPI.io
REST API
Python SDK N/A
JSON output
LLM validation N/A
Webhook delivery N/A N/A

Pricing comparison: CatchAll vs SearchAPI.io

Criterion CatchAll SearchAPI.io
Minimum engagement $0 (free tier; 2,000 credits on signup) $0 (100 free requests/day, no credit card required)
Engagement models Pay-as-you-go, API subscription, Free tier Free tier, Pay-as-you-go
Rate transparency Minimum disclosed Minimum disclosed
Price tier Accessible Accessible

Target audience comparison: CatchAll vs SearchAPI.io

Dimension CatchAll SearchAPI.io
Best company size Startup to mid-market Startup to mid-market
Best industries AI / LLM Workflows, Financial Services, Government Marketing Analytics, E-commerce, 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 Small team SEO monitoring and keyword tracking across Google Web and News verticals, Rapid prototyping of AI applications needing Google search data with a free tier before committing to paid plans
Typical project type Pay-as-you-go Free tier

CatchAll vs SearchAPI.io: 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
SearchAPI.io
+ 100 free requests/day without a credit card — lowest evaluation barrier of any Google SERP API in this review
+ 15+ Google verticals from one endpoint — web, news, images, maps, jobs, scholar, patents, autocomplete, related questions
+ Live (not cached) results with under 3 second average response time for near-real-time use cases
+ Simple REST API with well-documented JSON schema — lower integration overhead than enterprise SERP providers
- Very small team — limited enterprise support, SLA guarantees, or documented compliance certifications
- Google-only — no Bing, Yahoo, Amazon, or multi-engine support unlike SerpAPI
- No documented SOC2, ISO, or GDPR certifications — not suitable for regulated industry pipelines
- Reliability at very high request volumes not independently documented

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 SearchAPI.io?

SearchAPI.io is the right choice for developers and small teams needing live Google SERP data across 15+ verticals with a generous no-card free tier and simple integration.

100 free requests/day with no credit card across 15+ Google verticals — the lowest-friction evaluation path to live Google SERP data in this category. Minimum engagement starts at $0 (100 free requests/day, no credit card required). Works best with clients in Marketing Analytics, E-commerce, Research & Academia, AI / LLM Workflows.

Decision matrix: CatchAll vs SearchAPI.io

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 SearchAPI.io
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 SearchAPI.io

Use case CatchAll fit SearchAPI.io fit Winner
Tracking every product recall, funding round, or regulatory filing across trade press and regional sources Strong Strong Both equally
Feeding AI agent pipelines with high-recall structured web intelligence for downstream LLM processing Strong Limited CatchAll
Small team SEO monitoring and keyword tracking across Google Web and News verticals Limited Strong SearchAPI.io
Rapid prototyping of AI applications needing Google search data with a free tier before committing to paid plans Limited Strong SearchAPI.io
Financial risk monitoring Strong Limited CatchAll
LLM knowledge base population Strong Limited CatchAll

Verdict: CatchAll vs SearchAPI.io

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.

SearchAPI.io (3.5/5) is the better choice when developers and small teams needing live Google SERP data across 15+ verticals with a generous no-card free tier and simple integration. If your situation matches those criteria, SearchAPI.io is a competitive option.

Related comparisons

CatchAll vs SearchAPI.io FAQ

Is CatchAll better than SearchAPI.io?

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. SearchAPI.io is better for developers and small teams needing live Google SERP data across 15+ verticals with a generous no-card free tier and simple integration.

How do CatchAll and SearchAPI.io 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). SearchAPI.io uses pay-per-request; exact pricing tiers not publicly disclosed pricing with a minimum engagement of $0 (100 free requests/day, no credit card required). Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: CatchAll or SearchAPI.io?

CatchAll 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 SearchAPI.io?

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. SearchAPI.io's primary differentiator is: 100 free requests/day with no credit card across 15+ google verticals — the lowest-friction evaluation path to live google serp data in this category. They also differ in team size (11–50 vs 1–10), minimum engagement ($0 (free tier; 2,000 credits on signup) vs $0 (100 free requests/day, no credit card required)), and primary industries served (AI / LLM Workflows, Financial Services vs Marketing Analytics, E-commerce).

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