# Agent402 Tools, pay as you go, x402 pay per call, POST /api/x-users-lookup: X profile API

> Look up up to 10 X (Twitter) accounts by username in one call. Returns each found profile with public metrics (followers, following, tweets, listed), verification status and bio, plus the list of usernames X did not resolve.

Agent402 Tools's x402 pay per call plan for the X profile API costs $15.00 per 1,000 profiles. We check each provider's docs for 11 fields. Agent402 Tools's docs list 8: Bio, Photo, Links, Location, Verified, Followers, Following, Posts.
We haven't run Agent402 Tools through [our X profile API benchmark](https://datacircle.dev/best-x-twitter-profile-api.txt) yet.
We rank 639 plans for X profile APIs by price. Half the plans cost $1.00 or less per 1,000 profiles. This plan costs less per 1,000 profiles than 10% of the 639 plans.
[TwittrAPI's top-up from $500](https://datacircle.dev/x-profile-apis/twittrapi/top-up-from-500-scale-get-user-users-by-ids/llms.txt) is the cheapest paid plan per 1,000 profiles: $0.00016. [twit.sh's MPP plan](https://datacircle.dev/x-profile-apis/twit-sh/pay-as-you-go-mpp-get-users/llms.txt) costs the least for 10,000 profiles a month: $2.00.
[lobstr.io](https://datacircle.dev/x-profile-apis/lobstr-io/500-monthly/llms.txt), [xfetch](https://datacircle.dev/x-profile-apis/xfetch/49-monthly-growth-monthly-get-v1-users-by-username-username/llms.txt) and [TweetAPI](https://datacircle.dev/x-profile-apis/tweetapi/57-monthly-ultra-get-tw-v2-user-by-username/llms.txt) are the best X (Twitter) profile API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/x-profile-apis/agent402-tools/pay-as-you-go-x402-pay-per-call-post-api-x-users-lookup
- [X (Twitter) profile API: the best of 40+ providers compared](https://datacircle.dev/best-x-twitter-profile-api.txt)
- Get it: https://agent402.tools/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-profile-api-pricing
- Request: `POST https://agent402.tools/api/x-users-lookup`
- API key: not needed
- Its API docs: https://agent402.tools/tools/x-users-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-profile-api-pricing
- Sold by: Agent402 Tools (https://agent402.tools?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-profile-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 73%
- Bio: ✓
- Photo: ✓
- Links: ✓
- Location: ✓
- Verified: ✓
- Followers: ✓
- Following: ✓
- Posts: ✓

## Price

- $ per 1,000 profiles: $15.00
- Per: result
- Billing: pay as you go

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Look up up to 10 X (Twitter) accounts by username in one call. Returns each found profile with public metrics (followers, following, tweets, listed), verification status and bio, plus the list of usernames X did not resolve.

## Data

- Keep data: no limit
- Use data: Don't use the service to break the law, infringe others' rights, or attack the service or third parties (e.g. using the URL-fetching tools against targets you don't control). [...] Don't attempt to bypass rate limits, payment, or the proof-of-work gate, or to disrupt availability for others. [...] Don't use the service to create malware or exploits for unauthorized use, to defraud, phish, spam, or deceive, or to process other people's personal data unlawfully. You are responsible for the inputs you send and how you use the outputs.

## Plan

- Pay: per call

## Rate limit

- Batch: 10

## Speed

- Answer: in the call

## The call

- You send: usernames
- Method: POST
- Path: /api/x-users-lookup

## About the plan

- Plan: x402 pay per call
- Who can get it: anyone at least 18 (or the age of majority where they live, if higher), able to form a binding contract, not barred from receiving services under U.S. or other applicable law, not in an embargoed jurisdiction and not on a U.S. government sanctions list, with no account or API key, paying each call in USDC (or USDG on Robinhood Chain) over x402 or MPP

## The 19 fields the plan's answer can hold

answer source, fetched at, found count, user ID, username, name, bio, account created, verified, verified type, location, website, protected, profile picture, followers, following, posts count, listed count, profile URL

## Agent402 Tools's plans (1)

- [Agent402 Tools, pay as you go, x402 pay per call, POST /api/x-users-lookup](https://datacircle.dev/x-profile-apis/agent402-tools/pay-as-you-go-x402-pay-per-call-post-api-x-users-lookup/llms.txt): $15.00 per 1,000, 73% complete

## Agent402 Tools's calls for this API (2)

- `POST /api/x-users-lookup`: [Agent402 Tools, pay as you go, x402 pay per call, POST /api/x-users-lookup](https://datacircle.dev/x-profile-apis/agent402-tools/pay-as-you-go-x402-pay-per-call-post-api-x-users-lookup/llms.txt)
- `POST /api/x-user`: [Agent402 Tools, pay as you go, x402 pay per call, POST /api/x-user](https://datacircle.dev/x-profile-apis/agent402-tools/pay-as-you-go-x402-pay-per-call-post-api-x-user/llms.txt)

## Agent402 Tools's APIs (14)

- [Agent402 Tools: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: image search API pricing, 1 plan](https://datacircle.dev/image-search-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: IP company lookup API pricing, 1 plan](https://datacircle.dev/ip-company-lookup-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: news API pricing, 1 plan](https://datacircle.dev/news-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: search autocomplete API pricing, 1 plan](https://datacircle.dev/search-autocomplete-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: video search API pricing, 1 plan](https://datacircle.dev/video-search-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: GitHub repository API pricing, 1 plan](https://datacircle.dev/github-repository-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: X post API pricing, 1 plan](https://datacircle.dev/x-post-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: web scraping API pricing, 1 plan, POST /api/render](https://datacircle.dev/web-scraping-apis/agent402-tools/pay-as-you-go-x402-pay-per-call-post-api-render/llms.txt)
- [Agent402 Tools: web scraping API pricing, 1 plan, POST /api/extract](https://datacircle.dev/web-scraping-apis/agent402-tools/pay-as-you-go-x402-pay-per-call-post-api-extract/llms.txt)
- [Agent402 Tools: web search API pricing, 1 plan, GET /api/search](https://datacircle.dev/web-search-apis/agent402-tools/pay-as-you-go-x402-pay-per-call-get-api-search/llms.txt)
- [Agent402 Tools: web search API pricing, 1 plan, GET /api/search-lite](https://datacircle.dev/web-search-apis/agent402-tools/pay-as-you-go-x402-pay-per-call-get-api-search-lite/llms.txt)
- [Agent402 Tools: X profile API pricing, 1 plan, POST /api/x-users-lookup](https://datacircle.dev/x-profile-apis/agent402-tools/pay-as-you-go-x402-pay-per-call-post-api-x-users-lookup/llms.txt)

## Agent402 Tools: X profile API alternatives

- [SocialDataX, top-up](https://datacircle.dev/x-profile-apis/socialdatax/top-up/llms.txt): $14.956 per 1,000, 73% complete
- [botsmith, pay as you go, x402 pay per call, GET /x/user](https://datacircle.dev/x-profile-apis/botsmith/pay-as-you-go-x402-pay-per-call-get-x-user/llms.txt): $15.00 per 1,000, 64% complete
- [Automatio, $10 pack](https://datacircle.dev/x-profile-apis/automatio/10-pack/llms.txt): $15.002 per 1,000, 55% complete, live
- [APICK, top-up from ₩55,000](https://datacircle.dev/x-profile-apis/apick/top-up-from-55000/llms.txt): $15.014 per 1,000, 73% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

- https://agent402.tools?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-profile-api-pricing
- https://agent402.tools/api/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-profile-api-pricing
- https://agent402.tools/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-profile-api-pricing
- https://agent402.tools/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-profile-api-pricing
- https://agent402.tools/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-profile-api-pricing
- https://agent402.tools/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-profile-api-pricing
- https://agent402.tools/tools/x-users-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=x-twitter-profile-api-pricing