
Langfuse
Helicone AI
LangChain
Portkey
Braintrust
Humanloop
Braintrust.dev
Build and deploy LLM applications with confidence

Robinhood
Alpaca Broker API
Alpaca Trading API
SparkFin
Real-time Market API
Bullish.email
Alpaca Fractional Trading API
Free real-time stock market data API

Which is more popular?
Based on our record, Alpaca Data API seems to be more popular. It has been mentioned 8 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | langchain.com | alpaca.markets |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
LangSmith is recommended for AI developers, machine learning engineers, and businesses aiming to build, test, and optimize applications based on language models. It is particularly useful for teams that require robust evaluation tools and a streamlined process for managing and deploying language-driven applications.
No analysis of Alpaca Data API yet.
Walkthroughs and reviews on video.
🦜🛠️ Getting started with LangSmith - Integrating with LANGCHAIN powered Web Applications & Chatbots
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using LangSmith and Alpaca Data API. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking LangSmith since Jul 2023.
Have you looked at Alpaca's Market Data API or Polygon.io. Both premium options are reasonably priced and give you access to both historical and real time trades. Source: almost 4 years ago
I think https://alpaca.markets/data still offers free api keys for research purposes. Source: almost 4 years ago
Https://alpaca.markets/data - As you see you get 100% market coverage for all US exchanges and unlimited API / WebSocket access. They also have 1min bar historical data (I do not know about the tick level). I can not speak to the quality... Source: about 4 years ago
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