x402 census · x402.twit.sh · 023ef76e0407 · JSON

GET /users/by/username

unprobed

Look up a Twitter/X user profile by their screen name. Returns full profile data including id, name, username, bio, follower count, following count, tweet count, verification status, and profile image URL. Query param: username (string, required) - Twitter screen name without @, e.g. GET /users/by/username?username=elonmusk. Returns X v2 API-compatible JSON.

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

Field Value

URL https://x402.twit.sh/users/by/username

Method GET

Price $0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x9dBA414637c611a16BEa6f0796BFcbcBdc410df8

Seller x402.twit.sh

Catalogs cdp (row updated 2026-09-30), payai (row updated 2026-08-04)

Listed since (lower bound) 2026-08-04 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-30

CDP quality counters 190 calls and 13 unique payers in 30 days, last call 2026-09-30 (catalog-reported, not verified on chain)

Category (keyword rule) news/social

Templated path no

x402Version in catalog 2

Service name / tags none

Unpaid probe (census of )

Field

Value

Probe

not probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

Field Value

Distinct payers 23

Payments 293

USDC volume $2.17

Median payment $0.006

First / last payment 2026-06-09 / 2026-09-30

Sampler-shaped share of payments 99.7%

Payers that are not samplers 1

Source forensics-2026-09-30

Address 0x9dBA414637c611a16BEa6f0796BFcbcBdc410df8 (contract: EIP7702StatelessDeleGator)

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "username": "elonmusk"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "data": {
    "description": "Running bitcoin.",
    "id": "9253672",
    "name": "Hal Finney",
    "public_metrics": {
     "followers_count": 134000,
     "following_count": 200,
     "like_count": 300,
     "tweet_count": 600
    },
    "username": "halfin",
    "verified": false
   }
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://x402.twit.sh/users/by/username' -H 'accept: application/json'

The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/023ef76e0407/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"023ef76e0407"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: PayAI listing status · agentic.market (CDP Bazaar front end) · this record as JSON · all resources on x402.twit.sh.