CatchAll vs Zenserp: full comparison for 2026
Last updated: June 2026
Quick verdict
CatchAll (4.8/5) edges ahead of Zenserp (3.4/5) overall. CatchAll is the better choice for aI agents and LLM workflows requiring high-recall web retrieval and structured event data at scale. Zenserp is the stronger option for solo developers and small projects needing simple, transparent-pricing Google SERP access with a no-card free tier and minimal integration overhead. The right choice depends on your project size, budget, and required tech stack.
CatchAll vs Zenserp: head-to-head summary
| Criterion | CatchAll | Zenserp |
|---|---|---|
| Founded | 2021 | 2019 |
| HQ | Middletown, DE, USA | Not publicly disclosed |
| Team size | 11–50 | 1–10 |
| Rating | 4.8 / 5 | 3.4 / 5 |
| Best for | AI agents and LLM workflows requiring high-recall web retrieval and structured event data at scale | Solo developers and small projects needing simple, transparent-pricing Google SERP access with a no-card free tier and minimal integration overhead |
| Pricing model | Pay-per-result ($0.10/record); free tier available | Pay-as-you-go; transparent public pricing; free 100 searches/month |
| Min. engagement | $0 (free tier; 2,000 credits on signup) | $0 (100 free searches/month, no credit card) |
| Primary tech stack | REST API, Python SDK, JSON output | REST API, JSON output |
| Industries served | AI / LLM Workflows, Financial Services, Government, Research & Academia, Media Monitoring | Marketing Analytics, E-commerce, Research & Academia |
CatchAll vs Zenserp: 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).
Zenserp
Zenserp provides a Google SERP API with transparent, publicly-listed pricing and a free monthly allocation of 100 searches requiring no credit card. It covers Google Web, Images, News, and Maps verticals with geolocation and language targeting. Zenserp is a bootstrapped product; founding year, HQ location, team size, and company details are not publicly disclosed. Results are returned in real time. No compliance certifications or enterprise support tiers are documented. The API is designed for minimal setup — integration requires only an API key passed via a single HTTP GET request.
Services and capabilities: CatchAll vs Zenserp
| Capability | CatchAll | Zenserp |
|---|---|---|
| Real-time web search | ✓ | ✓ |
| News & event intelligence | ✓ | ✗ |
| Structured JSON output | ✓ | ✓ |
| AI / LLM pipeline integration | ✓ | ✗ |
| Scheduled monitoring | ✓ | ✗ |
| Multi-language coverage | ✗ | ✓ |
Tech stack comparison: CatchAll vs Zenserp
| Framework / platform | CatchAll | Zenserp |
|---|---|---|
| REST API | ✓ | ✓ |
| Python SDK | ✓ | N/A |
| JSON output | ✓ | ✓ |
| LLM validation | ✓ | N/A |
| Webhook delivery | N/A | N/A |
Pricing comparison: CatchAll vs Zenserp
| Criterion | CatchAll | Zenserp |
|---|---|---|
| Minimum engagement | $0 (free tier; 2,000 credits on signup) | $0 (100 free searches/month, no credit card) |
| 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 Zenserp
| Dimension | CatchAll | Zenserp |
|---|---|---|
| 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 | Solo developer or side-project Google SERP data needs where simplicity and a free tier outweigh enterprise requirements, Quick prototyping and A/B testing of search result structures during early product development |
| Typical project type | Pay-as-you-go | Free tier |
CatchAll vs Zenserp: 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 |
| Zenserp | |
|---|---|
| + | 100 free searches/month without a credit card — accessible for solo developers evaluating a Google SERP API |
| + | Transparent, publicly-listed pricing — no sales engagement required to understand cost at any volume |
| + | Single HTTP GET request to integrate — lowest onboarding overhead of any SERP API reviewed |
| + | Real-time results with geolocation and language targeting at no additional parameter cost |
| - | Google-only — no Bing, Yahoo, or e-commerce engine support |
| - | Fewer Google verticals than SearchAPI.io or SerpAPI — covers Web, Images, News, and Maps only |
| - | No SLA, compliance certifications, or enterprise support — not suitable for regulated industry pipelines |
| - | Very small team with no documented uptime history — reliability at scale cannot be independently assessed |
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 Zenserp?
Zenserp is the right choice for solo developers and small projects needing simple, transparent-pricing Google SERP access with a no-card free tier and minimal integration overhead.
Transparent public pricing, 100 free searches/month, and single-GET-request integration — the fastest path from idea to first live Google SERP result. Minimum engagement starts at $0 (100 free searches/month, no credit card). Works best with clients in Marketing Analytics, E-commerce, Research & Academia.
Decision matrix: CatchAll vs Zenserp
| 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 | Zenserp |
| 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 Zenserp
| Use case | CatchAll fit | Zenserp 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 |
| Solo developer or side-project Google SERP data needs where simplicity and a free tier outweigh enterprise requirements | Limited | Strong | Zenserp |
| Quick prototyping and A/B testing of search result structures during early product development | Limited | Strong | Zenserp |
| Financial risk monitoring | Strong | Limited | CatchAll |
| LLM knowledge base population | Strong | Limited | CatchAll |
Verdict: CatchAll vs Zenserp
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.
Zenserp (3.4/5) is the better choice when solo developers and small projects needing simple, transparent-pricing Google SERP access with a no-card free tier and minimal integration overhead. If your situation matches those criteria, Zenserp is a competitive option.
Related comparisons
CatchAll vs Zenserp FAQ
Is CatchAll better than Zenserp?
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. Zenserp is better for solo developers and small projects needing simple, transparent-pricing Google SERP access with a no-card free tier and minimal integration overhead.
How do CatchAll and Zenserp 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). Zenserp uses pay-as-you-go; transparent public pricing; free 100 searches/month pricing with a minimum engagement of $0 (100 free searches/month, no credit card). Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.
Which is better for enterprise: CatchAll or Zenserp?
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 Zenserp?
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. Zenserp's primary differentiator is: transparent public pricing, 100 free searches/month, and single-get-request integration — the fastest path from idea to first live google serp result. 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 searches/month, no credit card)), 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.