Tumblr Tag API

POST

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Browse the posts filed under a Tumblr tag, with text, post type, tags, note count and blog details. Notes merge likes and reblogs into one total, and a tag does not prove what the post is really about.

Price $1.39 per 1,000 requests ($0.001389 per call). Failed calls and empty results are not charged. Synchronous. For slow jobs add "mode": "async" to the body, take the job_id and poll.

AI prompt

Paste this into your AI assistant. It already holds this endpoint's parameters, response fields and an example request, so the assistant can ask what you need and then write the scraper.

Please help me write a data collection script with the EveryInfra Tumblr Tag endpoint (tumblr/tag).

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 tumblr and action to tag, and put the parameters inside params.
- Required parameters:
  - tag: Topic name for tag, optionally prefixed with #. Returns public tag content.
- Optional parameters:
  - hashtag: Alternative parameter for tag, with lower precedence than tag.
  - post_type: Single post type for search, tag, or user_posts: any for unrestricted, text, photo, video, quote, link, or audio. This is not an array, and profile does not use this filter.
  - 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, url, text, post_type, author_username, author_name, author_url, note_count, posted_at, tags.
- Example request body:
{
  "platform": "tumblr",
  "action": "tag",
  "params": {
    "tag": "art"
  }
}
- 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.

Request parameters

NameInTypeRequiredDefaultDescription
AuthorizationheaderstringYes-Bearer followed by your API key. Create it in the console; never put it in a URL or a code repository.
platformbodystringYestumblrPlatform identifier, fixed value.
actionbodystringYestagCapability identifier, fixed value.
tagbody.paramsNot declaredYes-Topic name for tag, optionally prefixed with #. Returns public tag content.
hashtagbody.paramsNot declaredNo-Alternative parameter for tag, with lower precedence than tag.
post_typebody.paramsNot declaredNo-Single post type for search, tag, or user_posts: any for unrestricted, text, photo, video, quote, link, or audio. This is not an array, and profile does not use this filter.
limitbody.paramsinteger (1–200)No20The 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.

Code samples

bash
curl -X POST 'https://api.everyinfra.com/api/v1/social' \
  -H "Authorization: Bearer $EVERYINFRA_API_KEY" \
  -H 'Content-Type: application/json' \
  --data-raw '{
  "platform": "tumblr",
  "action": "tag",
  "params": {
    "tag": "art"
  }
}'

[OpenAPI definition (JSON)]Samples read the key from the EVERYINFRA_API_KEY environment variable; copied code never contains your key.

Response example

Real response

Captured September 26, 2026 at 08:56 (UTC) by calling this API with the parameters in the code sample above. results and count are that call's real response with personal information (names, handles, avatars, profile links, contact details) removed; the list keeps the first 2. id, billing and quota differ on every call, so only their shape is shown.

json
{
  "id": "req_…",
  "platform": "tumblr",
  "action": "tag",
  "results": [
    {
      "id": "(已隐去)",
      "url": "https://blue-voids.tumblr.com/post/132651730803/keliy-anderson-staley",
      "text": "Keliy Anderson-Staley",
      "post_type": "photo",
      "author_username": "(已隐去)",
      "author_name": "(已隐去)",
      "author_url": "https://blue-voids.tumblr.com/(已隐去)",
      "note_count": 5386,
      "posted_at": "2015-11-06T06:53:08+00:00",
      "platform": "tumblr",
      "tags": [
        "art",
        "bw"
      ]
    },
    {
      "id": "(已隐去)",
      "url": "https://joquz.tumblr.com/post/132535555014/upriverdownriver",
      "text": "Upriver/Downriver",
      "post_type": "photo",
      "author_username": "(已隐去)",
      "author_name": "(已隐去)",
      "author_url": "https://joquz.tumblr.com/(已隐去)",
      "note_count": 1132,
      "posted_at": "2015-11-04T13:39:01+00:00",
      "platform": "tumblr",
      "tags": [
        "art"
      ]
    }
  ],
  "count": 20,
  "billing": {
    "charged": …,
    "charged_usd": …,
    "balance_after_usd": …,
    …
  },
  "quota": { … }
}

Response fields

Business data is in results. The table lists the fields a record can contain; values the platform does not show are never made up.

FieldMeaning
idThe record's unique ID on the platform. Unique only within one platform; IDs can repeat across platforms.
urlLink to the record on the platform.
textBody text with HTML removed, returned in full and never cut short (on a few platforms the list results themselves carry only an excerpt; the platform's field notes say so).
post_typeKeeps the platform's own meaning
author_usernameAuthor's username (@handle), usually usable in URLs.
author_nameAuthor's display name.
author_urlLink to the author's profile on the platform.
note_countKeeps the platform's own meaning
posted_atPublish time in ISO 8601, UTC (for example 2026-08-07T12:34:56+00:00). Non-standard strings from the platform are passed through as is, so parse defensively. null means the platform does not disclose it.
platformSource platform identifier, the same as platform in the request (for example xiaohongshu, tiktok).
tagsArray of tags. An empty array, not null, when there are none.

Errors and billing

401
Missing or invalid key. Authentication runs before parameter checks, so unauthenticated requests never see the parameter schema.
422
Wrong parameter name or value. The error lists the parameters and allowed values this capability accepts and the closest match; it happens before any charge.
402
Insufficient balance. Top up first.
429
The account's per-minute request limit was reached (all of its API keys count together; a key's own lower limit applies first). Wait for Retry-After and try again; a rate package in the console raises the limit.
503
Could not complete right now. Any charge for the call goes back to your balance automatically, and the billing receipt in the response states the actual outcome, including when it is not yet known. Do not resend blindly.
200 empty
The request completed without data and is not charged (billing.reason = empty_result_refunded).

Official references

Used only to check objects and terms. They do not imply authorization or endorsement of EveryInfra by the platform.

  • Tumblr: Tag Search vs. Full-Text Keyword Search ↗

    Official documentation explains that tag pages organize posts around a specific added tag, whereas search pages display results based on search queries. This entry clarifies the scope of tags and does not guarantee real-time indexing, complete results, or all filtering options available on the web interface.

    Checked 2026-09-04