Surf Twitter – User Followers

x402

Surf Twitter – User Followers is a paid API for AI agents from twitter.surf.cascade.fyi, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-09).

Fetches the list of followers for a given Twitter/X user, returning follower names, usernames, and follower counts.

Price / call$0.004

Seller volume →—

Success—

StatusUnknown

How this service works

Pay-per-use Twitter/X data API with x402 micropayments.

Output

Returns a JSON object with a 'data' array of follower objects (each containing name, username, and followers_count) plus 'meta' with result_count and has_next_page pagination flag, reflecting up to 20 followers per page.

Example use cases

Identify influential voices in your niche

“Can you grab the followers list for @TechCrunch and show me which ones have the most followers themselves? I want to find the most influential people in the tech industry to potentially collaborate with.”

Analyze competitor audience overlap

“Pull the follower lists for both @OpenAI and @Anthropic using the pay-per-use API. I need to see who follows both accounts so I can understand the audience overlap between these two companies.”

Build outreach list for marketing campaign

“Can you fetch the followers for @Y_Combinator and give me their names and usernames? I'm launching a startup product and want to create a targeted outreach list of entrepreneurs who are already engaged in that community.”

Technical details

Endpoint

GEThttps://twitter.surf.cascade.fyi/users/%7Bref%7D/followers

When to prefer

Use this endpoint when you need programmatic, pay-per-use access to a Twitter user's follower list without maintaining a Twitter developer account or managing API keys — especially useful for lightweight agent workflows that only need occasional follower data and benefit from x402 micropayment billing at $0.004 per call.

Side effects

Invalid or non-existent user ref returns an error or empty data array
Rate limit or quota exceeded on the underlying Twitter API returns a 429 or proxy error
Insufficient USDC balance / failed x402 micropayment results in a 402 Payment Required response
Malformed {ref} path parameter causes a 404 or 400 error
Private/protected account may return empty or restricted results

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": [
      {
        "name": "Follower",
        "username": "follower1",
        "followers_count": 500
      }
    ],
    "meta": {
      "result_count": 20,
      "has_next_page": true
    }
  }
}

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Example use cases

Identify influential voices in your niche

Analyze competitor audience overlap

“Pull the follower lists for both @OpenAI and @Anthropic using the pay-per-use API. I need to see who follows both accounts so I can understand the audience overlap between these two companies.”

Build outreach list for marketing campaign

Technical details

Endpoint

GEThttps://twitter.surf.cascade.fyi/users/%7Bref%7D/followers

When to prefer

Side effects

Invalid or non-existent user ref returns an error or empty data array
Rate limit or quota exceeded on the underlying Twitter API returns a 429 or proxy error
Insufficient USDC balance / failed x402 micropayment results in a 402 Payment Required response
Malformed {ref} path parameter causes a 404 or 400 error
Private/protected account may return empty or restricted results

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": [
      {
        "name": "Follower",
        "username": "follower1",
        "followers_count": 500
      }
    ],
    "meta": {
      "result_count": 20,
      "has_next_page": true
    }
  }
}