api.cryptoattention.com

Checks and payment terms on this page refer to the first endpoint's example. Other endpoints have not been checked individually.

Base URLhttps://api.cryptoattention.com/x402

• POST/btc_correlation$0.01How the tone of crypto news, or of one topic, moves with the BTC return: Pearson `r` at the best `lag` (in buckets; positive means tone leads the return) over `pairs` points. `ready` is false while data is short.
  Example

  curl -i -X POST 'https://api.cryptoattention.com/x402/btc_correlation' \
    -H 'Content-Type: application/json' \
    -d '{"days":30}'

• POST/daily_index$0.01The Daily Crypto Attention Index of one UTC day (the latest issue when `day` is absent): `value` 0-100 (50 a usual day of coverage, each doubling 25 points more), `change` in points against the day before, the day's `tone` (0-100, 50 balanced) over `tone_scored` articles, the `theme` (the topic whose share rose most) and the day's five loudest stories.
  Example

  curl -i -X POST 'https://api.cryptoattention.com/x402/daily_index' \
    -H 'Content-Type: application/json' \
    -d '{"day":"2026-11-12"}'

• POST/daily_top$0.01The ten loudest crypto stories of one past UTC day, as they stood at its end (the latest finished day when `day` is absent), with `first_day` and `last_day`, the span of days that can be asked for. `rank` is the place among the stories still shown, `score` is attention over that day, 0-100. Tone: `index` 0-100 (50 neutral, higher is more positive); `positive`/`negative` are shares in %; `scored` is how many articles it rests on.
  Example

  curl -i -X POST 'https://api.cryptoattention.com/x402/daily_top' \
    -H 'Content-Type: application/json' \
    -d '{"day":"2026-11-12"}'

• POST/get_story$0.01One story in full: its tone, topics, and each outlet's own headline and link.
  Example

  curl -i -X POST 'https://api.cryptoattention.com/x402/get_story' \
    -H 'Content-Type: application/json' \
    -d '{"story_id":412873}'

• POST/industry_activity$0.01How many crypto articles came out, with their tone, hour by hour (day by day over 168 or 720 hours), and the most active outlets.
  Example

  curl -i -X POST 'https://api.cryptoattention.com/x402/industry_activity' \
    -H 'Content-Type: application/json' \
    -d '{"hours":24,"limit":3}'

• POST/list_sources$0.01News outlets covering crypto, most positive first by `net_index` (0-100, 50 neutral); `scored` is how many of their articles the tone rests on, `zone` positive, neutral or negative.
  Example

  curl -i -X POST 'https://api.cryptoattention.com/x402/list_sources' \
    -H 'Content-Type: application/json' \
    -d '{"days":30,"limit":3}'

• POST/list_stories$0.01Crypto news stories (each a cluster of articles on one event), most attention first unless sorted otherwise; narrowed to one topic by a topic id from list_topics. Tone: `index` 0-100 (50 neutral, higher is more positive); `positive`/`negative` are shares in %; `scored` is how many articles it rests on.
  Example

  curl -i -X POST 'https://api.cryptoattention.com/x402/list_stories' \
    -H 'Content-Type: application/json' \
    -d '{"hours":24,"limit":5,"topic":"etf"}'

• POST/list_topics$0.01Crypto news topics ranked by attention (their share of stories) over a window. Tone: `index` 0-100 (50 neutral, higher is more positive); `positive`/`negative` are shares in %; `scored` is how many articles it rests on.
  Example

  curl -i -X POST 'https://api.cryptoattention.com/x402/list_topics' \
    -H 'Content-Type: application/json' \
    -d '{"hours":24,"limit":3}'

• POST/list_universes$0.01The crypto universes (topics that group stories, such as `defi` or `etf`): each with `status` (`LIVE`, or `COMING_SOON`) and `access`, whether this caller can read it (`open`, `locked` or `coming-soon`).
  Example

  curl -i -X POST 'https://api.cryptoattention.com/x402/list_universes' \
    -H 'Content-Type: application/json' \
    -d '{}'

• POST/market_overview$0.01The state of crypto news: tone by the country stories are about, and the daily tone of all of it. Tone: `index` 0-100 (50 neutral, higher is more positive); `positive`/`negative` are shares in %; `scored` is how many articles it rests on.
  Example

  curl -i -X POST 'https://api.cryptoattention.com/x402/market_overview' \
    -H 'Content-Type: application/json' \
    -d '{"days":7,"limit":3}'

• POST/search$0.01Crypto stories and coins found by words: a name, a ticker or an event (two characters or more). Stories are those of the last `hours`, five days at most; search_archive reaches older ones.
  Example

  curl -i -X POST 'https://api.cryptoattention.com/x402/search' \
    -H 'Content-Type: application/json' \
    -d '{"limit":5,"query":"ETF"}'

• POST/search_archive$0.01The past, beyond the five days search covers: `tops` are stories that made a UTC day's ten loudest (each with its latest such day and a page on the site), `articles` the latest article of each story whose headline has the words (site, headline, link, when it was published). Newest first; three characters or more.
  Example

  curl -i -X POST 'https://api.cryptoattention.com/x402/search_archive' \
    -H 'Content-Type: application/json' \
    -d '{"days":30,"query":"halving"}'

• POST/topic_history$0.01A topic's attention and tone day by day (hour by hour for 1 or 2 days). Tone: `index` 0-100 (50 neutral, higher is more positive); `positive`/`negative` are shares in %; `scored` is how many articles it rests on.
  Example

  curl -i -X POST 'https://api.cryptoattention.com/x402/topic_history' \
    -H 'Content-Type: application/json' \
    -d '{"days":7,"topic":"defi"}'

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