# Authoritas, free, POST /serps/, Create SERP Job (Baidu): SERP API

> The Authoritas Keyword Ranking API allows you to make multiple simultaneous keyword requests to any major search engine worldwide.

Authoritas's SERP API on its Free plan. It costs $0.00 per 1,000 searches. It returns 1 of the 11 key fields we check: Organic results.
We haven't run Authoritas through [our SERP API benchmark](https://datacircle.dev/best-serp-api.txt) yet.
This plan is free. We rank 1,847 plans for SERP APIs by price. Half the plans cost $1.10 per 1,000 searches or less.
[SerpScraper.dev's $499 monthly plan](https://datacircle.dev/serp-apis/serpscraper-dev/499-monthly/llms.txt) costs the least per 1,000 searches: $0.033.
[Scrappa](https://datacircle.dev/serp-apis/scrappa/25-pack-basic-get-api-search-advanced-google-search-advanced/llms.txt), [SerpKite](https://datacircle.dev/serp-apis/serpkite/300-pack-pro-post-v1-search-google-search/llms.txt) and [SerpScraper.dev](https://datacircle.dev/serp-apis/serpscraper-dev/39-monthly/llms.txt) are the best SERP API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/serp-apis/authoritas/free-post-serps-create-serp-job-baidu
- [SERP API: the best of 60+ providers compared](https://datacircle.dev/best-serp-api.txt)
- Get it: https://www.authoritas.com/app/api-pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=serp-api-pricing
- Request: `POST https://v3.api.analyticsseo.com/serps/`, Create SERP Job (Baidu)
- API key: with the plan, on https://www.authoritas.com/app/api-pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=serp-api-pricing
- Its API docs: https://docs.authoritas.com/serps/api_reference.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=serp-api-pricing#post--serps-(.*)
- Sold by: Authoritas (https://www.authoritas.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=serp-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 9%
- Organic results: ✓

## Price

- $ per 1,000 searches: $0.00
- Per: page of 10
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Most per search: 500

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: The Authoritas Keyword Ranking API allows you to make multiple simultaneous keyword requests to any major search engine worldwide.

## Data

- Keep data: no limit
- Use data: "Only authorised employees of the Customer may access or use our API Services. No other person is permitted to use the API Services, whether by assignment, licence, permission or otherwise. Any attempt by a Customer to permit use by a third party is a breach of our Terms." "Authoritas expressly prohibits all of the following kinds of activities on our servers and services: Any illegal activities. This includes, but is not limited to terrorism, money laundering, harassment, threats to harm any person or organisation, fraud of any kind or any other illegal activities. Denial of Service attacks, of any kind. Origination or distribution of viruses or the use of malware, of any kind, including but not limited to password crackers, spyware, key stroke capture programs or any other programs used in malicious activities. Copyright infringement, under all relevant laws, foreign or domestic, including but not limited to the share of music, videos or programs that you do not own the rights to. Spamming, of any kind, including but not limited to the bulk transmission of emails (even opt-in emails), blog comments, forum or social network comments Any “Black Hat” SEO activities at all, including, but not limited to any automated and/or multiple manual actions designed to artificially inflate or influence the popularity of any type of content or site (such as automated and/or multiple manual “viewing” of videos/clips, automated and/or multiple manual “clicking” on online advertisements, or any automated action designed to artificially increase ratings on Social Media content), Phishing or any other activities designed to collect personal information of any kind. Hacking or any attempts to gain un-authorised access to any network or system. Pornography, of any kind, legal or otherwise. Stalking, bullying or impersonation." "You acknowledge and agree that we and/or our licensors own all intellectual property rights in the API Services. Except as expressly stated herein, this agreement does not grant you any rights to, or in, patents, copyrights, database rights, trade secrets, trade names, trademarks (whether registered or unregistered), or any other rights or licences in respect of the API Services." "[...] You may not duplicate, copy, or reuse any portion of the HTML/CSS or visual design elements without express written permission from us."

## Plan

- Pay: £0
- You get: 1,000 credits a month
- Enough for: 1,000 pages a month

## Rate limit

- Per second: 70
- Concurrent: n/a
- Batch: 1

## Speed

- Answer: by polling or webhook

## The call

- You send: search_engine "baidu", phrase, region, language. Optional: town, latitude, longitude, max_results, user_agent, use_cache, include_all_in_universal, include_sge, callback
- Method: POST
- Path: /serps/

## About the plan

- Plan: Free
- Who can get it: anyone aged 18 or over

## The 7 fields the plan's answer can hold

search ID, search parameters, total results, organic result position, organic result title, organic result link, organic result snippet

## Authoritas's plans (6)

- [Authoritas, free, POST /serps/, Create SERP Job (Baidu)](https://datacircle.dev/serp-apis/authoritas/free-post-serps-create-serp-job-baidu/llms.txt): $0.00 per 1,000, 9% complete
- [Authoritas, £300 monthly, 100,000 queries, POST /serps/, Create SERP Job (Baidu)](https://datacircle.dev/serp-apis/authoritas/300-monthly-100000-queries-post-serps-create-serp-job-baidu/llms.txt): $4.00 per 1,000, 9% complete
- [Authoritas, £719 monthly, 250,000 queries, POST /serps/, Create SERP Job (Baidu)](https://datacircle.dev/serp-apis/authoritas/719-monthly-250000-queries-post-serps-create-serp-job-baidu/llms.txt): $3.835 per 1,000, 9% complete
- [Authoritas, £1,359 monthly, 500,000 queries, POST /serps/, Create SERP Job (Baidu)](https://datacircle.dev/serp-apis/authoritas/1359-monthly-500000-queries-post-serps-create-serp-job-baidu/llms.txt): $3.624 per 1,000, 9% complete
- [Authoritas, £2,579 monthly, 1,000,000 queries, POST /serps/, Create SERP Job (Baidu)](https://datacircle.dev/serp-apis/authoritas/2579-monthly-1000000-queries-post-serps-create-serp-job-baidu/llms.txt): $3.439 per 1,000, 9% complete
- [Authoritas, contact us, 1M+ queries, POST /serps/, Create SERP Job (Baidu)](https://datacircle.dev/serp-apis/authoritas/contact-us-1m-queries-post-serps-create-serp-job-baidu/llms.txt): 9% complete

## Authoritas's calls (5)

- `POST /serps/`, Create SERP Job (Baidu): [Authoritas, free, POST /serps/, Create SERP Job (Baidu)](https://datacircle.dev/serp-apis/authoritas/free-post-serps-create-serp-job-baidu/llms.txt)
- `POST /serps/`, Create SERP Job (Bing): [Authoritas, free, POST /serps/, Create SERP Job (Bing)](https://datacircle.dev/serp-apis/authoritas/free-post-serps-create-serp-job-bing/llms.txt)
- `POST /serps/`, Create SERP Job (Google): [Authoritas, free, POST /serps/, Create SERP Job (Google)](https://datacircle.dev/serp-apis/authoritas/free-post-serps-create-serp-job-google/llms.txt)
- `POST /serps/`, Create SERP Job (Yahoo): [Authoritas, free, POST /serps/, Create SERP Job (Yahoo)](https://datacircle.dev/serp-apis/authoritas/free-post-serps-create-serp-job-yahoo/llms.txt)
- `POST /serps/`, Create SERP Job (Yandex): [Authoritas, free, POST /serps/, Create SERP Job (Yandex)](https://datacircle.dev/serp-apis/authoritas/free-post-serps-create-serp-job-yandex/llms.txt)

## Authoritas's APIs (1)

- [Authoritas: SERP API pricing, 6 plans, POST /serps/, Create SERP Job (Baidu)](https://datacircle.dev/serp-apis/authoritas/free-post-serps-create-serp-job-baidu/llms.txt)

## Authoritas: SERP API alternatives

- [Serpstack, $2,039.88 yearly](https://datacircle.dev/serp-apis/serpstack/2039-88-yearly/llms.txt): $3.40 per 1,000, 64% complete, live
- [Scavio, $288 yearly, Project, yearly, POST /api/v2/google](https://datacircle.dev/serp-apis/scavio/288-yearly-project-yearly-post-api-v2-google/llms.txt): $3.429 per 1,000, 82% complete, 24 hours
- [Nozzle, $29,988 yearly](https://datacircle.dev/serp-apis/nozzle/29988-yearly/llms.txt): $3.447 per 1,000, 0% complete
- [Keyword.com, $1,260 yearly](https://datacircle.dev/serp-apis/keyword-com/1260-yearly/llms.txt): $3.452 per 1,000, 9% complete, 24 hours

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-04.

- https://docs.authoritas.com/serps/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=serp-api-pricing
- https://docs.authoritas.com/serps/api_reference.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=serp-api-pricing
- https://docs.authoritas.com/serps/api_request.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=serp-api-pricing
- https://docs.authoritas.com/serps/api_response.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=serp-api-pricing
- https://docs.authoritas.com/serps/faq.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=serp-api-pricing
- https://www.authoritas.com/api-acceptable-use-policy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=serp-api-pricing
- https://www.authoritas.com/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=serp-api-pricing
- https://www.authoritas.com/app/api-pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=serp-api-pricing
- https://www.authoritas.com/keyword-ranking-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=serp-api-pricing