Operated by Sourcelane✓ verified
Check if TikTok usernames are available or taken in bulk, see who owns taken handles, and get available alternative handles for your brand or creator name.
A TikTok username availability checker that performs bulk handle checks and format validation, returning per-username availability status (available, taken, or invalid format), owner metadata for taken handles (user identifier, display name, follower and video counts, verification and privacy flags, account creation date), and optional automated suggestions of alternative handle variations which are availability-checked and linked to the original. The connector validates candidate handles against TikTok username rules (length and allowed characters, not ending with a period, case-insensitive), generates common variations (underscores, periods, suffixes, numeric suffixes, etc.) when requested, and queries TikTok to determine current registration status for each candidate handle.
Verified Oct 25, 10:11 PM
$0.005
per username
Up to 100 per call. Only pay for results returned; failed calls are refunded.
Brand launches
Verify whether a brand name is free on TikTok before announcing it
Creator handle hunting
Test many name ideas at once and keep only the free ones
Cross-platform name checks
Combine with other username checkers to find handles free across platforms
Brand protection
Monitor whether squatters have registered variations of a name
Agencies
Check handles for multiple clients in a single run
Handles to check, one per line.
Optional settings
| Window | Uptime | Success rate | p50 | p95 | Calls |
|---|---|---|---|---|---|
| 24h | — | — | — | — | 0 |
| 7d | — | — | — | — | 0 |
| 30d | — | — | — | — | 0 |
Call it through Sourcelane's gateway or MCP server. We run the connector, apply your agent's spend guardrails, and bill only the results returned.
Call it via Sourcelane
curl -X POST https://api.usesourcelane.com/v1/call \
-H "Authorization: Bearer sl_live_your_agent_key" \
-H "Content-Type: application/json" \
-d '{"listing":"tiktok-username-checker","params":{"usernames":["mybrandname","coffeecorner","khaby.lame"]},"maxResults":10}'Request params
| Field | Type | Required | Description |
|---|---|---|---|
usernames | array | required | Handles to check, one per line (up to 2,000 per run). The @ is optional; profile URLs work too. |
suggestAlternatives | boolean | optional | When a username is taken, also check common variations (name_, thename, name.official, nameHQ...) and report which are free. Each variation checked is billed as one check. |
alternativesPerUsername | integer | optional | How many variations to check for each taken username (1-20). |
Each result contains
| Field | Type | Description |
|---|---|---|
username | string | Username |
status | string | Status |
available | boolean | Available |
message | string | — |
isAlternativeFor | null | Alternative for |
profileUrl | string | — |
ownerUserId | string | — |
ownerNickname | string | Owner |
ownerVerified | boolean | Owner verified |
ownerPrivate | boolean | — |
ownerFollowers | integer | Owner followers |
ownerVideoCount | integer | — |
ownerCreatedAt | string | — |
checkedAt | string | — |
Pick your tool and connect in under a minute. Then just ask — for example: “What are the top 25 TikTok videos for 'protein coffee' this week, and what hooks do they use?”
Connect Claude
Web, desktop and mobile. One click, then confirm.
Adds the Sourcelane MCP server with your key as a header.
claude mcp add --transport http sourcelane https://api.usesourcelane.com/mcp \
--header "Authorization: Bearer sl_live_your_agent_key"Alternative to the connector URL: add to claude_desktop_config.json, then restart Claude.
{
"mcpServers": {
"sourcelane": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://api.usesourcelane.com/mcp",
"--header",
"Authorization:${AUTH_HEADER}"
],
"env": {
"AUTH_HEADER": "Bearer sl_live_your_agent_key"
}
}
}
}Add to ~/.cursor/mcp.json (or Windsurf's mcp_config.json).
{
"mcpServers": {
"sourcelane": {
"url": "https://api.usesourcelane.com/mcp",
"headers": {
"Authorization": "Bearer sl_live_your_agent_key"
}
}
}
}Save as .vscode/mcp.json. VS Code prompts for your key once.
{
"servers": {
"sourcelane": {
"type": "http",
"url": "https://api.usesourcelane.com/mcp",
"headers": {
"Authorization": "Bearer ${input:sourcelane-key}"
}
}
},
"inputs": [
{
"type": "promptString",
"id": "sourcelane-key",
"description": "Sourcelane agent key",
"password": true
}
]
}Create a GPT → Actions → Import from URL, then Authentication: API Key, Bearer.
https://usesourcelane.com/openapi.jsonOne POST. Pass maxResults to cap cost.
curl -X POST https://api.usesourcelane.com/v1/call \
-H "Authorization: Bearer sl_live_your_agent_key" \
-H "Content-Type: application/json" \
-d '{"listing":"tiktok-username-checker","params":{"usernames":["mybrandname","coffeecorner","khaby.lame"]},"maxResults":10}'Wrap the REST call as a tool, or point an MCP client at the endpoint.
import requests
res = requests.post(
"https://api.usesourcelane.com/v1/call",
headers={"Authorization": "Bearer sl_live_your_agent_key"},
json={
"listing": "tiktok-username-checker",
"params": {"usernames":["mybrandname","coffeecorner","khaby.lame"]},
"maxResults": 10,
},
timeout=300,
)
body = res.json()
print(body["receipt"]["chargedMicros"], "micro-USD for", body["receipt"]["results"], "results")
print(body["data"])—
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