# Macrocosmos, top-up: X post API

> Data Universe API makes it easy to bring fresh, structured social data into your product, pipeline, or analysis.

Macrocosmos's X post API on its Basic plan. It costs $0.15 per 1,000 posts. It returns all 6 key fields we check: Text, Media, Engagement, Analytics, Author, Audience.
We haven't run Macrocosmos through [our X post API benchmark](https://datacircle.dev/best-x-twitter-post-api.txt) yet.
Half of the 298 plans we rank by price cost $0.075 per 1,000 posts or less. This plan costs less per 1,000 posts than 22% of the 298 plans.
[Zapi's Rp399,000 monthly plan](https://datacircle.dev/x-post-apis/zapi/rp399000-monthly/llms.txt) costs the least per 1,000 posts: $0.0011. Zapi charges for each page of results. We count 20 posts on each page to get the $0.0011 price.
[TweetAPI](https://datacircle.dev/x-post-apis/tweetapi/17-monthly-pro-get-tw-v2-user-tweets/llms.txt), [TwitterAPIs](https://datacircle.dev/x-post-apis/twitterapis/top-up-from-10-pay-as-you-go-get-twitter-user-tweets/llms.txt) and [Sorsa](https://datacircle.dev/x-post-apis/sorsa/199-monthly/llms.txt) are the best X (Twitter) post API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/x-post-apis/macrocosmos/top-up
- [X (Twitter) post API: 15 providers compared](https://datacircle.dev/best-x-twitter-post-api.txt)
- Get it: https://datauniverse.macrocosmos.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-post-api-pricing
- Request: `POST https://constellation.api.cloud.macrocosmos.ai/sn13.v1.Sn13Service/OnDemandData`
- API key: with the plan, on https://datauniverse.macrocosmos.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-post-api-pricing
- Its API docs: https://docs.macrocosmos.ai/subnets/subnet-13-data-universe/readme/gravity?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-post-api-pricing#streaming-api-on-demand-data-api
- Sold by: Macrocosmos (https://www.macrocosmos.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-post-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 100%
- Text: ✓
- Media: ✓
- Engagement: ✓
- Analytics: ✓
- Author: ✓
- Audience: ✓

## Price

- $ per 1,000 posts: $0.15
- Per: result
- Billing: pay first

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Data Universe API makes it easy to bring fresh, structured social data into your product, pipeline, or analysis.

## Data

- Keep data: no API terms
- Use data: Use of Gravity also requires adherence to the X Developer Agreement and Reddit Data API Terms

## Plan

- Expires: never

## Speed

- Answer: in the call

## The call

- You send: source "X", usernames. Optional: keywords, startDate, endDate, limit, keywordMode, url
- Method: POST
- Path: /sn13.v1.Sn13Service/OnDemandData

## About the plan

- Plan: Basic
- Who can get it: anyone

## The 22 fields the plan's answer can hold

post ID, post URL, text, created at, media, platform, conversation ID, hashtags, is quote, is reply, is repost, like count, quote count, reply count, repost count, view count, author ID, author username, author name, author followers, author following, author verified

## Macrocosmos's plans (4)

- [Macrocosmos, top-up](https://datacircle.dev/x-post-apis/macrocosmos/top-up/llms.txt): $0.15 per 1,000, 100% complete
- [Macrocosmos, $99 monthly](https://datacircle.dev/x-post-apis/macrocosmos/99-monthly/llms.txt): $0.33 per 1,000, 100% complete
- [Macrocosmos, $499 monthly](https://datacircle.dev/x-post-apis/macrocosmos/499-monthly/llms.txt): $0.125 per 1,000, 100% complete
- [Macrocosmos, contact us](https://datacircle.dev/x-post-apis/macrocosmos/contact-us/llms.txt): 100% complete

## Macrocosmos's calls (1)

- `POST /sn13.v1.Sn13Service/OnDemandData`: [Macrocosmos, top-up](https://datacircle.dev/x-post-apis/macrocosmos/top-up/llms.txt)

## Macrocosmos's APIs (1)

- [Macrocosmos: X post API pricing, 4 plans](https://datacircle.dev/x-post-apis/macrocosmos/top-up/llms.txt)

## Macrocosmos: X post API alternatives

- [Desearch, top-up, Pay as you go, GET /twitter/replies](https://datacircle.dev/x-post-apis/desearch/top-up-pay-as-you-go-get-twitter-replies/llms.txt): $0.15 per 1,000, 100% complete
- [TwitterAPI.io, $10 pack, $10 recharge, GET /twitter/user/last_tweets](https://datacircle.dev/x-post-apis/twitterapi-io/10-pack-10-recharge-get-twitter-user-last-tweets/llms.txt): $0.15 per 1,000, 83% complete, live
- [Pullbay, $9 monthly](https://datacircle.dev/x-post-apis/pullbay/9-monthly/llms.txt): $0.15 per 1,000, 100% complete, live
- [ScrapeBadger, top-up from $10](https://datacircle.dev/x-post-apis/scrapebadger/top-up-from-10/llms.txt): $0.15 per 1,000, 83% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-04.

- https://datauniverse.macrocosmos.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-post-api-pricing
- https://docs.macrocosmos.ai/product-and-services/gravity/scraping-data.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-post-api-pricing
- https://docs.macrocosmos.ai/product-and-services/gravity/support.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-post-api-pricing
- https://docs.macrocosmos.ai/subnets/subnet-13-data-universe/data-universe-openclaw-skills.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-post-api-pricing
- https://docs.macrocosmos.ai/subnets/subnet-13-data-universe/macrocosmos-mcp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-post-api-pricing
- https://docs.macrocosmos.ai/subnets/subnet-13-data-universe/readme/gravity.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-post-api-pricing
- https://www.macrocosmos.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-post-api-pricing