Marketaux vs Quantexa News API (Aylien): full comparison for 2026
Quick verdict
Marketaux (3.9/5) edges ahead of Quantexa News API (Aylien) (3.4/5) overall. Marketaux is the better choice for fintech developers needing ticker-tagged news cheaply. Quantexa News API (Aylien) is the stronger option for teams maintaining an existing Aylien integration. The right pick depends on your budget, how much history you need and whether you need full text.
Marketaux vs Quantexa News API (Aylien): head-to-head summary
| Criterion | Marketaux | Quantexa News API (Aylien) |
|---|---|---|
| Founded | Not disclosed | 2012 |
| HQ | Not publicly disclosed | Dublin, Ireland (Aylien); London, UK (Quantexa) |
| Team size | Not publicly disclosed | Part of Quantexa |
| Rating | 3.9 / 5 | 3.4 / 5 |
| Primary differentiator | Entity-level sentiment on every article, free plan included | Aylien's fine-grained entity and category tagging |
| Pricing model | Monthly request plans | Enterprise subscription; trial available |
| Entry price | $29/mo | Custom quote |
| Formats & SDKs | REST API, JSON | REST API, JSON, Python SDK |
| Typical uses | Financial services, News & content apps | Financial services, Risk & compliance, Media monitoring |
Marketaux vs Quantexa News API (Aylien): overview
Marketaux
Marketaux saves fintech developers from writing a ticker matcher. Every stock, crypto or forex article it returns lists the entities it mentions, each with a sentiment score from -1 to 1, and that works on the free plan too. Listings put coverage at about 5,000 sources in 30+ languages and 200,000+ tracked entities (per company website; independently unverifiable). The free plan allows 100 requests a day but returns only three articles per request. The official pricing page lists Basic at $29 a month for 2,500 daily requests, and entity statistics and trending endpoints need a paid plan. The site does not say who operates it or where.
Quantexa News API (Aylien)
Aylien, founded in Dublin in 2012, built a well-regarded NLP news API that tagged multilingual articles from about 80,000 sources with entities, categories and sentiment, and shipped Python and Node SDKs. Quantexa, the London decision-intelligence company, bought it in February 2023 for an undisclosed sum, and the product is now called Quantexa News Intelligence or Quantexa News API. Quantexa's community forum still advertises a 14-day trial, but a competitor reports that new sign-ups are directed to a customer notice, and there is no public roadmap for the standalone API. It makes most sense for existing users and Quantexa customers, and a new build is safer elsewhere.
Features: Marketaux vs Quantexa News API (Aylien)
| Capability | Marketaux | Quantexa News API (Aylien) |
|---|---|---|
| Full article text | ✗ | ✓ |
| Historical archive | ✗ | ✓ |
| NLP enrichment | ✓ | ✓ |
| Story/event clustering | ✗ | ✓ |
| Official SDK | ✗ | ✓ |
| Streaming or webhooks | ✗ | ✗ |
| Free access | ✓ | ✓ |
Formats and SDKs: Marketaux vs Quantexa News API (Aylien)
| Format / SDK | Marketaux | Quantexa News API (Aylien) |
|---|---|---|
| REST API | ✓ | ✓ |
| Python SDK | N/A | ✓ |
| Node.js SDK | N/A | ✓ |
| Webhooks | N/A | N/A |
| WebSocket | N/A | N/A |
| MCP server | N/A | N/A |
| S3/bulk delivery | N/A | N/A |
| BigQuery | N/A | N/A |
Pricing comparison: Marketaux vs Quantexa News API (Aylien)
| Criterion | Marketaux | Quantexa News API (Aylien) |
|---|---|---|
| Entry price | $29/mo | Custom quote |
| Pricing model | Monthly request plans | Enterprise subscription; trial available |
| Access models | Free tier, Monthly plans | Free trial, Enterprise contract |
| Price transparency | Public price | Quote only |
| Price tier | Budget | Enterprise / quote |
Who each API suits: Marketaux vs Quantexa News API (Aylien)
| Dimension | Marketaux | Quantexa News API (Aylien) |
|---|---|---|
| Buyer type | Individuals to enterprise | Individuals to enterprise |
| Typical uses | Financial services, News & content apps | Financial services, Risk & compliance, Media monitoring |
| Example use cases | A news tab in a portfolio tracker. Sentiment features for a hobby trading model. | Keeping a legacy Aylien integration running. News risk signals inside Quantexa. |
| How you get access | Free tier | Free trial |
Marketaux vs Quantexa News API (Aylien): pros and cons
| Marketaux | |
|---|---|
| + | Ticker extraction and sentiment come built in |
| + | Commercial use from $29 a month |
| + | Covers crypto and forex as well as equities |
| + | Filters by symbol, industry and exchange |
| - | Three articles per free request makes testing slow |
| - | Anonymous operator |
| - | Financial topics only |
| Quantexa News API (Aylien) | |
|---|---|
| + | Detailed taxonomy and entity tagging |
| + | Fits teams already on the Quantexa platform |
| + | A 14-day trial is still listed |
| - | Standalone API direction unclear since the 2023 acquisition |
| - | Docs and SDKs are split across old and new names |
| - | No public pricing |
Who should choose Marketaux?
A typical fit: a news tab in a portfolio tracker.
Entity-level sentiment on every article, free plan included. Paid access starts at $29/mo. Typical uses: Financial services, News & content apps.
Who should choose Quantexa News API (Aylien)?
A typical fit: keeping a legacy Aylien integration running.
Aylien's fine-grained entity and category tagging. Paid access is quote-based. Typical uses: Financial services, Risk & compliance, Media monitoring.
Decision matrix: Marketaux vs Quantexa News API (Aylien)
| Your situation | Recommended choice |
|---|---|
| You want to start free before paying | Both |
| Your budget is at the lower end | Marketaux |
| You need full article text in the response | Quantexa News API (Aylien) |
| You need years of historical news | Quantexa News API (Aylien) |
| You want an official SDK | Quantexa News API (Aylien) |
| You are wiring news into an LLM agent | Both work through plain REST calls |
Use case fit: Marketaux vs Quantexa News API (Aylien)
| Use case | Marketaux fit | Quantexa News API (Aylien) fit | Winner |
|---|---|---|---|
| Financial services | Strong | Strong | Both equally |
| News & content apps | Strong | Limited | Marketaux |
| Risk & compliance | Limited | Strong | Quantexa News API (Aylien) |
| Media monitoring | Limited | Strong | Quantexa News API (Aylien) |
Verdict: Marketaux vs Quantexa News API (Aylien)
Marketaux (3.9/5) is the stronger overall choice as a news data source. Entity-level sentiment on every article, free plan included.
Quantexa News API (Aylien) (3.4/5) is worth a look if you need news risk signals inside Quantexa. If your situation matches that, Quantexa News API (Aylien) is a competitive option.
Related comparisons
Marketaux vs Quantexa News API (Aylien) FAQ
Is Marketaux better than Quantexa News API (Aylien)?
Marketaux (3.9/5) scores higher overall, but "better" depends on your use case. Marketaux's strongest advantage: ticker extraction and sentiment come built in. Quantexa News API (Aylien)'s strongest advantage: detailed taxonomy and entity tagging.
How do Marketaux and Quantexa News API (Aylien) differ in pricing?
Marketaux: monthly request plans, with paid access from $29/mo. Quantexa News API (Aylien): enterprise subscription; trial available, priced by quote. Both offer some free access for testing.
Which is better for enterprise: Marketaux or Quantexa News API (Aylien)?
Quantexa News API (Aylien) sells enterprise contracts with negotiated volume and SLA terms. Neither carries licensed publisher content, so check copyright terms before republishing anything.
What are the main differences between Marketaux and Quantexa News API (Aylien)?
What sets Marketaux apart: entity-level sentiment on every article, free plan included. What sets Quantexa News API (Aylien) apart: Aylien's fine-grained entity and category tagging. They also differ on entry price ($29/mo vs Custom quote) and typical uses (Financial services, News & content apps vs Financial services, Risk & compliance).
Verify all details directly with each API before making a decision.