# Agent402 Tools, pay as you go: Search autocomplete API

> Search autocomplete: query suggestions for a partial input as a flat JSON array.

Agent402 Tools's x402 pay per call plan for the search autocomplete API costs $1.00 per 1,000 queries. We check each provider's docs for 4 fields: Type, Relevance, Description and Image. Agent402 Tools's docs list none of the 4.
We haven't run Agent402 Tools through [our search autocomplete API benchmark](https://datacircle.dev/best-search-autocomplete-api.txt) yet.
We rank 357 plans for search autocomplete APIs by price. Half the plans cost $0.95 or less per 1,000 queries. This plan costs less per 1,000 queries than 46% of the 357 plans.
[Pixel Tools's ₽99 (about $1) pack](https://datacircle.dev/search-autocomplete-apis/pixel-tools/99-pack-guru-for-99-rubles-get-api-podskazkigoogle/llms.txt) costs the least per 1,000 queries: $0.017.
[SERPHouse](https://datacircle.dev/search-autocomplete-apis/serphouse/49-99-monthly/llms.txt), [Poix](https://datacircle.dev/search-autocomplete-apis/poix/top-up-from-5/llms.txt) and [Omkar Cloud](https://datacircle.dev/search-autocomplete-apis/omkar-cloud/148-monthly-scale-plan-get-google-search-autocomplete/llms.txt) are the best search autocomplete API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/search-autocomplete-apis/agent402-tools/pay-as-you-go
- [Search autocomplete API: the 11 best providers compared](https://datacircle.dev/best-search-autocomplete-api.txt)
- Get it: https://agent402.tools/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- Request: `GET https://agent402.tools/api/search-suggest`
- API key: not needed
- Its API docs: https://agent402.tools/tools/search-suggest?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- Sold by: Agent402 Tools (https://agent402.tools?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 0%

## Price

- $ per 1,000 queries: $1.00
- Per: call
- Billing: pay as you go

## Charges

- Most per search: 20
- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Search autocomplete: query suggestions for a partial input as a flat JSON array.

## Data

- Keep data: no limit
- Use data: Don't use the service to break the law, infringe others' rights, or attack the service or third parties (e.g. using the URL-fetching tools against targets you don't control). [...] Don't attempt to bypass rate limits, payment, or the proof-of-work gate, or to disrupt availability for others. [...] Don't use the service to create malware or exploits for unauthorized use, to defraud, phish, spam, or deceive, or to process other people's personal data unlawfully. You are responsible for the inputs you send and how you use the outputs.

## Plan

- Pay: per call

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: q. Optional: count
- Method: GET
- Path: /api/search-suggest

## About the plan

- Plan: x402 pay per call
- Who can get it: anyone at least 18 (or the age of majority where they live, if higher), able to form a binding contract, not barred from receiving services under U.S. or other applicable law, not in an embargoed jurisdiction and not on a U.S. government sanctions list, with no account or API key, paying each call in USDC (or USDG on Robinhood Chain) over x402 or MPP

## The 3 fields the plan's answer can hold

query, suggestions count, suggestions

## Agent402 Tools's plans (1)

- [Agent402 Tools, pay as you go](https://datacircle.dev/search-autocomplete-apis/agent402-tools/pay-as-you-go/llms.txt): $1.00 per 1,000, 0% complete

## Agent402 Tools's calls for this API (1)

- `GET /api/search-suggest`: [Agent402 Tools, pay as you go](https://datacircle.dev/search-autocomplete-apis/agent402-tools/pay-as-you-go/llms.txt)

## Agent402 Tools's APIs (14)

- [Agent402 Tools: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: image search API pricing, 1 plan](https://datacircle.dev/image-search-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: IP company lookup API pricing, 1 plan](https://datacircle.dev/ip-company-lookup-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: news API pricing, 1 plan](https://datacircle.dev/news-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: search autocomplete API pricing, 1 plan](https://datacircle.dev/search-autocomplete-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: video search API pricing, 1 plan](https://datacircle.dev/video-search-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: GitHub repository API pricing, 1 plan](https://datacircle.dev/github-repository-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: X post API pricing, 1 plan](https://datacircle.dev/x-post-apis/agent402-tools/pay-as-you-go/llms.txt)
- [Agent402 Tools: web scraping API pricing, 1 plan, POST /api/render](https://datacircle.dev/web-scraping-apis/agent402-tools/pay-as-you-go-x402-pay-per-call-post-api-render/llms.txt)
- [Agent402 Tools: web scraping API pricing, 1 plan, POST /api/extract](https://datacircle.dev/web-scraping-apis/agent402-tools/pay-as-you-go-x402-pay-per-call-post-api-extract/llms.txt)
- [Agent402 Tools: web search API pricing, 1 plan, GET /api/search](https://datacircle.dev/web-search-apis/agent402-tools/pay-as-you-go-x402-pay-per-call-get-api-search/llms.txt)
- [Agent402 Tools: web search API pricing, 1 plan, GET /api/search-lite](https://datacircle.dev/web-search-apis/agent402-tools/pay-as-you-go-x402-pay-per-call-get-api-search-lite/llms.txt)
- [Agent402 Tools: X profile API pricing, 1 plan, POST /api/x-users-lookup](https://datacircle.dev/x-profile-apis/agent402-tools/pay-as-you-go-x402-pay-per-call-post-api-x-users-lookup/llms.txt)
- [Agent402 Tools: X profile API pricing, 1 plan, POST /api/x-user](https://datacircle.dev/x-profile-apis/agent402-tools/pay-as-you-go-x402-pay-per-call-post-api-x-user/llms.txt)

## Agent402 Tools: search autocomplete API alternatives

- [CrustAPI, top-up from $10](https://datacircle.dev/search-autocomplete-apis/crustapi/top-up-from-10/llms.txt): $1.00 per 1,000, 0% complete, live
- [Serper, $50 pack](https://datacircle.dev/search-autocomplete-apis/serper/50-pack/llms.txt): $1.00 per 1,000, 0% complete, live
- [Autom, $50 pack](https://datacircle.dev/search-autocomplete-apis/autom/50-pack/llms.txt): $1.00 per 1,000, 0% complete, live
- [API.SH, $50 monthly](https://datacircle.dev/search-autocomplete-apis/api-sh/50-monthly/llms.txt): $1.00 per 1,000, 75% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

- https://agent402.tools?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- https://agent402.tools/api/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- https://agent402.tools/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- https://agent402.tools/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- https://agent402.tools/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- https://agent402.tools/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing
- https://agent402.tools/tools/search-suggest?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=search-autocomplete-api-pricing