---
title: "Search Substack Users"
method: GET
path: "/v1/substack/users"
tags: ["Substack"]
---

# Search Substack Users

`GET /v1/substack/users`

## Request

- Base URL: `https://apidirect.io`
- URL: `https://apidirect.io/v1/substack/users`
- Auth: API key in header `X-API-Key`

Search Substack authors and publication profiles by name or keyword. Returns handle, display name, bio, follower count, subscriber badge, bestseller tier and primary publication for each profile.

**Price:** $0.003 per request. **Free tier:** 50 requests/month.

## Query parameters

- `query` string, required
- `page` integer

## Response `200`

Successful response

- SearchSubstackUsersResponse: Inferred from a live response. Any field can be null or absent, and new fields may be added at any time.
  - `users` object[], nullable
    - `username` string, nullable
    - `full_name` string, nullable
    - `user_id` string, nullable
    - `biography` string, nullable
    - `profile_pic_url` string, nullable
    - `follower_count` number, nullable
    - `subscriber_count` number, nullable
    - `subscriber_count_label` string, nullable
    - `bestseller_tier` number, nullable
    - `is_bestseller` boolean, nullable
    - `paid_subscriber_band` string, nullable
    - `paid_subscriber_floor` number, nullable
    - `leaderboard` object, nullable
      - `board` string, nullable
      - `category` string, nullable
      - `category_id` number, nullable
      - `rank` number, nullable
    - `twitter_handle` string, nullable
    - `primary_publication` object, nullable
      - `publication_id` string, nullable
      - `name` string, nullable
      - `subdomain` string, nullable
      - `url` string, nullable
      - `logo_url` string, nullable
    - `date_joined` string, nullable
    - `url` string, nullable
  - `query` string, nullable
  - `page` number, nullable
  - `has_next_page` boolean, nullable
  - `count` number, nullable

## Other responses

- `400`: Bad request: a required parameter is missing or a value is invalid (code: missing_parameter or invalid_parameter).
- `401`: Unauthorized: the API key is missing or invalid (code: missing_api_key or invalid_api_key).
- `402`: Free tier used up for this endpoint and no payment method on file (`payment_required`).
- `403`: Account blocked after a failed payment (`account_blocked`).
- `429`: Rate limit exceeded, or too many concurrent requests for this endpoint
- `500`: Internal server error
- `502`: Temporary failure retrieving Substack data. Please retry shortly.
- `503`: Service unavailable: the data source is temporarily unavailable
- `504`: The request timed out

---

[API](https://skmtc.dev/apidirect/apis/api-direct.md) · [All operations](https://skmtc.dev/apidirect/apis/api-direct/llms.txt) · [OpenAPI document](https://skmtc.dev/apidirect/apis/api-direct/revisions/fa8c68d70bd0?raw)