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# ![Free API Graphic](https://lunarcrush.com/gi/w:26/t:free-api.png) Free API

Free API keys are trending with a surge in mentions and creators, with users sharing free API keys for AI models. Concerns about reliability are also being discussed.

### About Free API
Free API refers to the availability and utilization of application programming interfaces (APIs) that do not require payment for access.  

### Insights [#](/topic/free-api/insights)
- free api sentiment near a 52-week high at XX.

### Engagements: XXXXX [#](/topic/free-api/interactions)
---
![Engagements Line Chart](https://lunarcrush.com/gi/w:600/t:free-api/c:line/m:interactions/iv:1d.svg)  
[Engagements 24-Hour Time-Series Raw Data](/topic/free-api/time-series/interactions.tsv)  
**Current Value**: XXXXX  
**Daily Average**: XXXXX  
**1 Month**: XXXXXX -XX%  
**6 Months**: XXXXXXX +1,461%  
**1-Year High**: XXXXXX on 2025-08-22  
**1-Year Low**: X on 2025-03-24  

| Social Network | Reddit | TikTok | X   | YouTube |
| -------------- | ------ | ------ | -   | ------- |
| Engagements    | XX     | XXX    | XXX | XXXXX   |
  

  
  
### Mentions: XX [#](/topic/free-api/posts_active)
---
![Mentions Line Chart](https://lunarcrush.com/gi/w:600/t:free-api/c:line/m:posts_active/iv:1d.svg)  
[Mentions 24-Hour Time-Series Raw Data](/topic/free-api/time-series/posts_active.tsv)  
**Current Value**: XX  
**Daily Average**: XX  
**6 Months**: XXX +508%  
**1-Year High**: XXX on 2025-09-16  
**1-Year Low**: X on 2025-03-17  

| Social Network | Reddit | TikTok | X  | YouTube |
| -------------- | ------ | ------ | -  | ------- |
| Mentions       | XX     | XX     | XX | XX      |
  

  
  
### Creators: XX [#](/topic/free-api/contributors_active)
---
![Creators Line Chart](https://lunarcrush.com/gi/w:600/t:free-api/c:line/m:contributors_active/iv:1d.svg)  
[Creators 24-Hour Time-Series Raw Data](/topic/free-api/time-series/contributors_active.tsv)  
XX unique social accounts have posts mentioning Free API in the last XX hours which is down XX% from XX in the previous XX hours
**Daily Average**: XX  
**1 Month**: XXX -XX%  
**6 Months**: XXX +606%  
**1-Year High**: XXX on 2025-09-16  
**1-Year Low**: X on 2025-03-17  

The most influential creators that mention Free API in the last XX hours

| Creator                                    | Rank | Followers | Posts | Engagements |
| -------                                    | ---- | --------- | ----- | ----------- |
| [@assemblyai](/creator/youtube/assemblyai) | X    | XXXXXXX   | X     | XXX         |

[View More](/list/creators/free-api/100)
  
  
### Sentiment: XX% [#](/topic/free-api/sentiment)
---
![Sentiment Line Chart](https://lunarcrush.com/gi/w:600/t:free-api/c:line/m:sentiment/iv:1d.svg)  
[Sentiment 24-Hour Time-Series Raw Data](/topic/free-api/time-series/sentiment.tsv)  
**Current Value**: XX%  
**Daily Average**: XX%  
**1 Month**: XX% -XX%  
**6 Months**: XX% -XX%  
**1-Year High**: XXX% on 2025-03-17  
**1-Year Low**: XX% on 2025-05-22  

**Most Supportive Themes**
- **Free API Access and Tools:** (45%) Posts highlight the availability and benefits of free API keys for various AI models and tools, emphasizing ease of use and cost savings.
- **Building with Free APIs:** (30%) Users are sharing tutorials and guides on how to build applications and integrate free APIs into projects, showcasing practical applications.
  
**Most Critical Themes**
- **Unreliability of Free APIs:** (5%)  Some users are experiencing unreliability with free API calls, which may be due to the nature of free services.
  
Network engagement breakdown:  
| Network | Positive | %  | Neutral | %  | Negative | %  |
| ------- | -------- | -  | ------- | -  | -------- | -  |
| Reddit  | XX       | X% |         |    |          |    |
| TikTok  | XX       | X% | XX      | X% |          |    |
| X       | X        | X% | X       | X% | XX       | X% |
| YouTube | XX       | X% | XX      | X% |          |    |
|         |          |    |         |    |          |    |
| Total   | XXX      | X% | XX      | X% | X        | X% |
  


**Top assets mentioned**
In the posts about Free API in the last XX hours

[Alphabet Inc Class A (GOOGL)](/topic/$googl)
[Bitcoin (BTC)](/topic/bitcoin)
[Solana (SOL)](/topic/solana)

**Top topics mentioned**
In the posts about Free API in the last XX hours

[$googl](/topic/$googl), [stocks communication services](/topic/stocks-communication-services), [for your](/topic/for-your), [coins layer 1](/topic/coins-layer-1), [money](/topic/money), [token](/topic/token), [googles](/topic/googles), [stocks](/topic/stocks), [coins solana ecosystem](/topic/coins-solana-ecosystem), [telegram](/topic/telegram), [builders](/topic/builders), [bitcoin](/topic/bitcoin), [ios](/topic/ios), [coins bitcoin ecosystem](/topic/coins-bitcoin-ecosystem), [ole](/topic/ole), [android](/topic/android), [coins defi](/topic/coins-defi), [open ai](/topic/open-ai), [work for](/topic/work-for), [twitter](/topic/twitter), [#ai](/topic/#ai), [raj](/topic/raj), [youtube](/topic/youtube), [behind the](/topic/behind-the), [plain](/topic/plain), [paying for](/topic/paying-for), [coins pow](/topic/coins-pow), [metric](/topic/metric), [metrics](/topic/metrics), [mis](/topic/mis), [solana](/topic/solana), [real time](/topic/real-time), [coins made in usa](/topic/coins-made-in-usa), [flexibility](/topic/flexibility), [open source](/topic/open-source), [opensource](/topic/opensource), [cursor](/topic/cursor), [fork](/topic/fork), [github](/topic/github), [demo](/topic/demo), [agentic](/topic/agentic), [claude](/topic/claude), [apis](/topic/apis), [javascript](/topic/javascript)

### Top Social Posts [#](/topic/free-api/posts)
---
Top posts by engagements in the last XX hours

*Showing only X posts for non-authenticated requests. Use your API key in requests for full results.*

"How to Build a Movie App with HTML CSS & JavaScript + Free API Step by Step Tutorial Part X (CSS)"  
[YouTube Link](https://youtube.com/watch?v=R8_CrnlkvKk) [@theflutistprogrammer](/creator/youtube/theflutistprogrammer) 2025-10-26T19:27Z XX followers, XX engagements


"How to Build a Movie App with HTML CSS & JavaScript + Free API Step by Step Tutorial Part X (HTML)"  
[YouTube Link](https://youtube.com/watch?v=u2In3Wk6Sgw) [@theflutistprogrammer](/creator/youtube/theflutistprogrammer) 2025-10-26T19:25Z XX followers, XXX engagements


"New Straddle Buying Algo Trading Strategy with Free API in Zerodha Upstox Aliceblue Fyers"  
[YouTube Link](https://youtube.com/watch?v=GvlScmND9uk) [@sourabhgandhitrader](/creator/youtube/sourabhgandhitrader) 2025-10-26T11:51Z 90.1K followers, XXX engagements


"Get ChatGPT and Deepseek free API keys . link in the comment"  
[X Link](https://x.com/quantumaidev/status/1982310500903067925) [@quantumaidev](/creator/x/quantumaidev) 2025-10-26T04:57Z XXX followers, XX engagements

### Topics List

https://lunarcrush.com/api4/public/topics/list/v1

Get a list of trending social topics.

Example request:

```bash
curl -H "Authorization: Bearer <API_KEY>" https://lunarcrush.com/api4/public/topics/list/v1
```



Example response:

```json
{
  "data": [
    {
      "topic": "youtube",
      "title": "YouTube",
      "topic_rank": 1,
      "topic_rank_1h_previous": 1,
      "topic_rank_24h_previous": 1,
      "num_contributors": 335952,
      "num_posts": 733220,
      "interactions_24h": 3296046298
    }
  ]
}
```

Schema:

+ **topic**: LunarCrush social topic. Can only includes letters, numbers, spaces, #, and $
+ **title**: The case sensitive title of the topic or category
+ **topic_rank**: LunarCrush metric for ranking a social topic relative to all other social topics
+ **topic_rank_1h_previous**: The topic rank from X hour ago
+ **topic_rank_24h_previous**: The topic rank from XX hours ago
+ **num_contributors**: The number of unique social contributors to the topic
+ **num_posts**: Total number of posts with interactions on this topic in the last XX hours
+ **interactions_24h**: Number of interactions in the last XX hours




---

### Topic Whatsup

https://lunarcrush.com/api4/public/topic/:topic/whatsup/v1

Generate an AI summary of the hottest news and social posts for a specific topic

input parameters:

+ **topic**: _Provide the topic to get a summary for. A topic must be all lower case and can only include letters, numbers, spaces, # and $._ **required**

Example request:

```bash
curl -H "Authorization: Bearer <API_KEY>" https://lunarcrush.com/api4/public/topic/bitcoin/whatsup/v1
```



Example response:

```json
{
  "config": {
    "topic": "bitcoin",
    "generated": 1760641738
  },
  "summary": "Florida has introduced a new bill to establish Bitcoin and digital asset reserves, while BlackRock's CEO has taken back anti-Bitcoin comments, saying markets force investors to relook at their assumptions. Meanwhile, Bitcoin miners have deposited XXXXXX BTC to Binance since October 9, and traders are betting on a potential crash. Several major companies, including Steak 'n Shake and Compass Coffee, have made recent announcements related to Bitcoin adoption."
}
```

Schema:

+ **config**: This includes the inputs for the request processed by the server and may include additional hints about the request and response information.
+ **topic**: LunarCrush social topic. Can only includes letters, numbers, spaces, #, and $
+ **generated**: A unix timestamp (in seconds) when the data was generated to understand possibly stale data




---

### Topic Time Series v2

https://lunarcrush.com/api4/public/topic/:topic/time-series/v2

Get historical time series data for a social topic

input parameters:

+ **topic**: _Provide the topic to get details for. A topic must be all lower case and can only include letters, numbers, spaces, # and $._ **required**
+ **bucket**: _Leave blank (default) for the most week aggregated by hour, specify hour for full historical data available in hourly aggregation, specify day for full historical data available in daily aggregation._ 

Example request:

```bash
curl -H "Authorization: Bearer <API_KEY>" https://lunarcrush.com/api4/public/topic/bitcoin/time-series/v2
```



Example response:

```json
{
  "config": {
    "topic": "bitcoin",
    "id": "bitcoin",
    "name": "Bitcoin",
    "symbol": "BTC",
    "interval": "1w",
    "start": 1759968000,
    "end": 1760654918,
    "bucket": "hour",
    "metrics": [],
    "generated": 1760647718
  },
  "data": [
    {
      "time": 1759968000,
      "contributors_active": 30745,
      "contributors_created": 1810,
      "interactions": 3972578,
      "posts_active": 62957,
      "posts_created": 2440,
      "sentiment": 78,
      "spam": 339,
      "alt_rank": 198,
      "circulating_supply": 19931834,
      "close": 123004.71,
      "galaxy_score": 56,
      "high": 123004.71,
      "low": 122931.87,
      "market_cap": 2453542301616,
      "market_dominance": 58.0797,
      "open": 123004.71,
      "social_dominance": 30.3039,
      "volume_24h": 62979418928
    }
  ]
}
```

Schema:

+ **config**: This includes the inputs for the request processed by the server and may include additional hints about the request and response information.
+ **topic**: LunarCrush social topic. Can only includes letters, numbers, spaces, #, and $
+ **id**: LunarCrush internal ID for the asset
+ **name**: The full name of the asset
+ **symbol**: The symbol for the asset
+ **interval**: Typically used for specifying time intervals like 1w = X week, 1m = X month etc
+ **start**: Start/from unix timestamp (in seconds)
+ **end**: End/to unix timestamp (in seconds)
+ **bucket**: Data is generally bucketed into hours or days
+ **metrics**: Comma separated list of metrics to include or that are included
+ **generated**: A unix timestamp (in seconds) when the data was generated to understand possibly stale data
+ **time**: A unix timestamp (in seconds)
+ **contributors_active**: number of unique social accounts with posts that have interactions
+ **contributors_created**: number of unique social accounts that created new posts
+ **interactions**: number of all publicly measurable interactions on a social post (views, likes, comments, thumbs up, upvote, share etc)
+ **posts_active**: number of unique social posts with interactions
+ **posts_created**: number of unique social posts created
+ **sentiment**: % of posts (weighted by interactions) that are positive. XXX% means all posts are positive, XX% is half positive and half negative, and X% is all negative posts.
+ **spam**: The number of posts created that are considered spam
+ **alt_rank**: A proprietary score based on how an asset is performing relative to all other assets supported
+ **circulating_supply**: Circulating Supply is the total number of coins or tokens that are actively available for trade and are being used in the market and in general public
+ **close**: Close price for the time period
+ **galaxy_score**: A proprietary score based on technical indicators of price, average social sentiment, relative social activity, and a factor of how closely social indicators correlate with price and volume
+ **high**: Higest price fo rthe time period
+ **low**: Lowest price for the time period
+ **market_cap**: Total dollar market value of all circulating supply or outstanding shares
+ **market_dominance**: The percent of the total market cap that this asset represents
+ **open**: Open price for the time period
+ **social_dominance**: The percent of the total social volume that this topic represents
+ **volume_24h**: Volume in USD for XX hours up to this data point




---

### Topic Time Series

https://lunarcrush.com/api4/public/topic/:topic/time-series/v1

Get historical time series data for a social topic

input parameters:

+ **topic**: _Provide the topic to get details for. A topic must be all lower case and can only include letters, numbers, spaces, # and $._ **required**
+ **bucket**: _bucket time series data into hours or days. default is hours._ 
+ **interval**: _Use interval to specify the start and end time automatically for convenience. If "start" or "end" parameters are provided this parameter is ignored._ 
+ **start**: _The start time (unix timestamp) to go back to._ 
+ **end**: _The end time (unix timestamp) to stop at._ 

Example request:

```bash
curl -H "Authorization: Bearer <API_KEY>" https://lunarcrush.com/api4/public/topic/bitcoin/time-series/v1
```



Example response:

```json
{
  "config": {
    "topic": "bitcoin",
    "id": "bitcoin",
    "name": "Bitcoin",
    "symbol": "BTC",
    "interval": "1w",
    "start": 1759968000,
    "end": 1760654918,
    "bucket": "hour",
    "metrics": [],
    "generated": 1760647718
  },
  "data": [
    {
      "time": 1759968000,
      "contributors_active": 30745,
      "contributors_created": 1810,
      "interactions": 3972578,
      "posts_active": 62957,
      "posts_created": 2440,
      "sentiment": 78,
      "spam": 339,
      "alt_rank": 198,
      "circulating_supply": 19931834,
      "close": 123004.71,
      "galaxy_score": 56,
      "high": 123004.71,
      "low": 122931.87,
      "market_cap": 2453542301616,
      "market_dominance": 58.0797,
      "open": 123004.71,
      "social_dominance": 30.3039,
      "volume_24h": 62979418928
    }
  ]
}
```

Schema:

+ **config**: This includes the inputs for the request processed by the server and may include additional hints about the request and response information.
+ **topic**: LunarCrush social topic. Can only includes letters, numbers, spaces, #, and $
+ **id**: LunarCrush internal ID for the asset
+ **name**: The full name of the asset
+ **symbol**: The symbol for the asset
+ **interval**: Typically used for specifying time intervals like 1w = X week, 1m = X month etc
+ **start**: Start/from unix timestamp (in seconds)
+ **end**: End/to unix timestamp (in seconds)
+ **bucket**: Data is generally bucketed into hours or days
+ **metrics**: Comma separated list of metrics to include or that are included
+ **generated**: A unix timestamp (in seconds) when the data was generated to understand possibly stale data
+ **time**: A unix timestamp (in seconds)
+ **contributors_active**: number of unique social accounts with posts that have interactions
+ **contributors_created**: number of unique social accounts that created new posts
+ **interactions**: number of all publicly measurable interactions on a social post (views, likes, comments, thumbs up, upvote, share etc)
+ **posts_active**: number of unique social posts with interactions
+ **posts_created**: number of unique social posts created
+ **sentiment**: % of posts (weighted by interactions) that are positive. XXX% means all posts are positive, XX% is half positive and half negative, and X% is all negative posts.
+ **spam**: The number of posts created that are considered spam
+ **alt_rank**: A proprietary score based on how an asset is performing relative to all other assets supported
+ **circulating_supply**: Circulating Supply is the total number of coins or tokens that are actively available for trade and are being used in the market and in general public
+ **close**: Close price for the time period
+ **galaxy_score**: A proprietary score based on technical indicators of price, average social sentiment, relative social activity, and a factor of how closely social indicators correlate with price and volume
+ **high**: Higest price fo rthe time period
+ **low**: Lowest price for the time period
+ **market_cap**: Total dollar market value of all circulating supply or outstanding shares
+ **market_dominance**: The percent of the total market cap that this asset represents
+ **open**: Open price for the time period
+ **social_dominance**: The percent of the total social volume that this topic represents
+ **volume_24h**: Volume in USD for XX hours up to this data point




---