Odysee Posts by user API

Please help me write a data collection script with the EveryInfra Odysee Posts by user endpoint (odysee/user_posts).

Endpoint contract:
- Request: POST https://api.everyinfra.com/api/v1/social with the header Authorization: Bearer <API key>. Read the key from the EVERYINFRA_API_KEY environment variable and never hard-code it.
- In the request body, set platform to odysee and action to user_posts, and put the parameters inside params.
- Required parameters:
  - username: Specifies the channel identifier for the user_posts action. Accepts a channel name, @name, or a full Odysee channel URL. Anything after a colon (the claim ID) is dropped, so check the result when channel names overlap.
- Optional parameters:
  - sort: Sorts content for the user_posts and tag actions. Allowed values are newest (sorts by publish date) and popular (sorts by support amount metrics). Note that popular does not measure total view count or like count. (allowed: newest / popular)
  - limit: The most rows to return in this call, an integer from 1 to 200. The default applies when you leave it out, and a call can return fewer rows. Larger values return 422 before any charge. (default: 20)
- Returns a list of records. Main fields of each record: id, title, description, channel_name, channel_id, channel_url, url, thumbnail_url, duration_seconds, duration_sec, view_count, like_count; 16 fields in total, full list at https://api.everyinfra.com/api/v1/social/catalog?platform=odysee.
- Example request body:
{
  "platform": "odysee",
  "action": "user_posts",
  "params": {
    "username": "@lbry"
  }
}
- Price: $1.39 per 1,000 requests; failed and empty results are not charged.
- For dozens or hundreds of targets, add "mode": "async" to the body: you get a job_id at once and poll GET https://api.everyinfra.com/api/v1/jobs/{job_id} for the result.
- On 422, fix the request using the suggested parameter names and allowed values in the error; on 429 or 503, wait for Retry-After and try again.

Before writing code, ask me which targets I need, how many, which fields, and what output format I want; then confirm the plan and the rough cost with me.