# OpenRush, top-up from $10: Similar companies API

> Find organic competitors by domain overlap or by seed keywords.

OpenRush's Prepaid credits plan for the similar companies API costs $0.70 per 1,000 companies. OpenRush's docs list 2 of the 13 fields on our checklist: Locations, Domain.
We haven't run OpenRush through [our similar companies API benchmark](https://datacircle.dev/best-similar-companies-api.txt) yet.
Half of the 146 plans we rank by price cost $1.685 per 1,000 companies or less. This plan costs less per 1,000 companies than 60% of the 146 plans.
[PublicWWW's $499 monthly plan](https://datacircle.dev/similar-company-apis/publicwww/499-monthly/llms.txt) is the cheapest paid plan per 1,000 companies: $0.000055. PublicWWW charges for each page of results. We count 1,000,000 companies on each page to get the $0.000055 price.
[ZoomInfo's $45 pack](https://datacircle.dev/similar-company-apis/zoominfo/45-pack/llms.txt) covers any number of companies. ZoomInfo's $45 pack costs less up front than PublicWWW's $499 monthly plan.
[ScrapeAtlas](https://datacircle.dev/similar-company-apis/scrapeatlas/19-pack/llms.txt), [LeadMagic](https://datacircle.dev/similar-company-apis/leadmagic/249-monthly-growth-post-v3-companies-lookalike/llms.txt) and [Tomba](https://datacircle.dev/similar-company-apis/tomba/449-monthly/llms.txt) are the best similar companies API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/similar-company-apis/openrush/top-up-from-10
- [Similar companies API: the best of 20+ providers compared](https://datacircle.dev/best-similar-companies-api.txt)
- Get it: https://www.openrush.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- Request: `POST https://api.openrush.com/v1/tools/discover_competitors`
- API key: with the plan, on https://www.openrush.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- Its API docs: https://www.openrush.com/docs/api-reference/tools?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing#discover-competitors
- Sold by: OpenRush (https://www.openrush.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 15%
- Locations: ✓
- Domain: ✓

## Price

- $ per 1,000 companies: $0.70
- Per: page of 100
- Billing: pay first

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Inspect domain · Research keywords · Compare keyword coverage · Inspect backlinks · Backlink gap · Inspect SERP · Inspect search visibility · Inspect AI visibility · Discover AI citations · Audit site · Inspect keyword · Inspect page · Export dataset · Get search performance · Get website analytics · Get ad performance

## Not found

- $ per 1,000: $70.00

## In their words

- Their pitch: Find organic competitors by domain overlap or by seed keywords.

## Data

- Freshness: 1 day
- Keep data: no limit
- Use data: You may not use OpenRush, or anything you get from it, to copy, rebuild, or improve a competing service. You may not access or use the Service, or any outputs, data, documentation, or other materials obtained through it (together, "OpenRush Materials"), to build, train, improve, or operate any product or service that competes with or substitutes for OpenRush, or to help anyone else do so. This includes: copying, replicating, or reverse engineering the Service's features, functions, workflows, interfaces, prompts, tool designs, output formats, or data structures, extracting, compiling, or storing OpenRush Materials in bulk to create or enrich a dataset, index, or database, using OpenRush Materials to train, fine-tune, evaluate, or ground an AI model, agent, or tool that offers similar functionality, benchmarking, comparing, or testing the Service for competitive purposes, or publishing such results without our prior written consent, or accessing the Service if you are, or are acting for, a competitor of OpenRush, unless we give prior written consent. [...] This section does not limit your normal use of outputs in your own marketing work or client deliverables. [...] You agree not to use the Service to: break the law or violate another person's rights, send, store, or request illegal, harmful, or abusive content, attempt to bypass authentication, billing, limits, or security controls, probe, scan, overload, scrape, or disrupt the Service, resell or sublicense the Service without our written permission, submit data you are not allowed to use or share, misrepresent OpenRush outputs as guaranteed facts when they are estimates, summaries, or probabilistic recommendations, or use the Service in a way that could damage OpenRush, our users, our providers, or the public.

## Plan

- Pay: $10
- You get: 1,000 credits
- Enough for: about 142 pages

## Rate limit

- Per day: 10,000
- Per second: 0.28
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: one of domain or seed_keywords. Optional: location, language, limit
- Method: POST
- Path: /v1/tools/discover_competitors

## About the plan

- Plan: Prepaid credits
- Who can get it: anyone at least 18 years old and legally able to enter into the terms, for business, professional or organizational use

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

domain, location, competitors

## OpenRush's plans (1)

- [OpenRush, top-up from $10](https://datacircle.dev/similar-company-apis/openrush/top-up-from-10/llms.txt): $0.70 per 1,000, 15% complete, 1 day

## OpenRush's calls for this API (1)

- `POST /v1/tools/discover_competitors`: [OpenRush, top-up from $10](https://datacircle.dev/similar-company-apis/openrush/top-up-from-10/llms.txt)

## OpenRush's APIs (7)

- [OpenRush: SERP API pricing, 1 plan](https://datacircle.dev/serp-apis/openrush/top-up-from-10/llms.txt)
- [OpenRush: backlink API pricing, 1 plan](https://datacircle.dev/backlink-apis/openrush/top-up-from-10/llms.txt)
- [OpenRush: similar companies API pricing, 1 plan](https://datacircle.dev/similar-company-apis/openrush/top-up-from-10/llms.txt)
- [OpenRush: domain authority API pricing, 1 plan](https://datacircle.dev/domain-authority-apis/openrush/top-up-from-10/llms.txt)
- [OpenRush: keyword research API pricing, 1 plan](https://datacircle.dev/keyword-research-apis/openrush/top-up-from-10/llms.txt)
- [OpenRush: related keywords API pricing, 1 plan](https://datacircle.dev/related-keywords-apis/openrush/top-up-from-10/llms.txt)
- [OpenRush: ranked keywords API pricing, 1 plan, POST /v1/tools/inspect_domain](https://datacircle.dev/ranked-keywords-apis/openrush/top-up-from-10-prepaid-credits-post-v1-tools-inspect-domain/llms.txt)
- [OpenRush: ranked keywords API pricing, 1 plan, POST /v1/tools/inspect_page](https://datacircle.dev/ranked-keywords-apis/openrush/top-up-from-10-prepaid-credits-post-v1-tools-inspect-page/llms.txt)

## OpenRush: similar companies API alternatives

- [EnvoAPI, $29 pack, Starter top-up, GET /v1/companies/similar/by-url](https://datacircle.dev/similar-company-apis/envoapi/29-pack-starter-top-up-get-v1-companies-similar-by-url/llms.txt): $0.29 per 1,000, 15% complete, live
- [Implisense, €59 monthly, Plus, POST /v2/similar](https://datacircle.dev/similar-company-apis/implisense/59-monthly-plus-post-v2-similar/llms.txt): $0.664 per 1,000, 15% complete, 1 day
- [NeuralVerge, $50 monthly](https://datacircle.dev/similar-company-apis/neuralverge/50-monthly/llms.txt): $1.00 per 1,000, 62% complete, live
- [Pubrio, $495 pack](https://datacircle.dev/similar-company-apis/pubrio/495-pack/llms.txt): $1.08 per 1,000, 62% complete, 1 day

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-07.

- https://www.openrush.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://www.openrush.com/docs/api-reference/endpoint-index?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://www.openrush.com/docs/api-reference/tools?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://www.openrush.com/docs/fundamentals/credits-and-rate-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://www.openrush.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://www.openrush.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing