YouTube profile API

YouTube profile data in one REST call — normalized to the stable JSON schema shared across every FetchPI platform.

1 documented endpoints
GET /v1/youtube/users/{username}

Contract summary (English): Get a normalized YouTube channel profile (capability youtube.profile)

Normalized response entity: youtube/profile
capability: youtube.profile

Every response also carries freshness (cache / default / live) and billing metadata.

Use cases

Enrich CRM and outreach tooling with up-to-date {{platform}} profile data — follower counts, verification status and bios as structured JSON.
Screen creator and partner accounts before a campaign with consistent, queryable profile metrics.
Re-query the same handle and diff the normalized fields to track profile changes over time.

Response fields

YouTube Channel Profile (normalized)

Normalized YouTube channel profile. A YouTube CHANNEL is the platform user (§3.8) — the normalized entity type stays profile/user. Provider-private fields MUST NOT appear — the Normalizer drops them. The capability id is youtube.profile (the /v1/youtube surface).

Field	Type	Required	Description
id	string	Required	Platform-stable channel id (UC…).
platform	"youtube"	Required	—
type	"profile"	Required	—
username	string	Required	The channel @handle; the channel id when the surface omits a handle.
display_name	string \| null	Optional	The channel title.
description	string \| null	Optional	—
url	string \| null	Optional	The channel URL.
profile_image_url	string \| null	Optional	The channel avatar.
verified	boolean	Required	—
created_at	string \| null	Optional	Channel creation (joined) time, UTC RFC3339; null when the provider does not expose it.
metrics.subscribers	integer	Required	Subscriber count.
metrics.views	integer	Required	Lifetime views across uploads.
metrics.posts	integer	Required	Video count.
fetched_at	string	Required	When the platform data was actually collected (UTC RFC3339).

Field notes are shown in the contract's original English.

Response meta

Field	Type	Required	Description
mode	cache \| default \| live	Required	Effective mode after merging param > max_age > source policy (D-004).
age_seconds	integer \| null	Optional	Age of served data; null when unknown.
source_layer	cache \| db \| upstream	Required	Which layer served the response (PRD §10).
stale	boolean	Optional	True when stale data was served under stale_if_error / SWR (D-004).
billing.amount_credits	integer	Required	Micro-USD (1e-6 USD) actually charged for this request.
billing.cache_hit	boolean	Required	—

Field notes are shown in the contract's original English.

Example request & response

GET/v1/youtube/users/{username}

curl -H "Authorization: Bearer $MESHDATA_API_KEY" \
  "https://api.fetchpi.com/v1/youtube/users/newdev"

{
  "data": {
    "id": "UCsim0000000000000000777",
    "platform": "youtube",
    "type": "profile",
    "username": "creatordev",
    "display_name": "Creator Dev",
    "description": "Videos about data APIs.",
    "url": "https://www.youtube.com/@creatordev",
    "profile_image_url": "https://cdn.example.com/avatar/creatordev.jpg",
    "verified": true,
    "created_at": "2019-04-01T10:15:00Z",
    "metrics": {
      "subscribers": 51230,
      "views": 19824567,
      "posts": 862
    },
    "fetched_at": "2026-09-18T09:00:00Z"
  },
  "meta": {
    "request_id": "req_01HTXQ8Z9HTQ",
    "freshness": {
      "mode": "default",
      "age_seconds": 120,
      "source_layer": "db",
      "stale": false
    },
    "billing": {
      "amount_credits": 100,
      "cache_hit": false
    }
  }
}

Free demo

Create a free account, grab an API key and call this endpoint from the browser-based Playground.

Try it in the Playground

Parameter tables, error codes and response semantics for this endpoint live in the API documentation.

Open the endpoint reference

Frequently asked questions

What does the YouTube profile API return?

A normalized profile object — identity, bio and audience fields as defined in the field table below — plus freshness and billing metadata.

Can I try this endpoint for free?

Yes — register an account, grab an API key and call it from the Playground in the console.

How is the profile capability billed?

Data API calls are billed per request in credits, with different cache/live freshness multipliers. Current per-capability prices live on the pricing page.

Pricing

Per-request credit billing with cache/live freshness options — current prices live on the pricing page.

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