# Toolrail, pay as you go: Company enrichment API > Pay-per-call utility API for AI agents via the x402 payment protocol (USDC on Base or Solana). No API keys, no subscriptions: call an endpoint, receive HTTP 402 with payment instructions, pay, retry, get the resource. Toolrail's x402 pay per call plan for the company enrichment API costs $3.00 per 1,000 companies. We check each provider's docs for 13 fields. Toolrail's docs list 1: Headquarters. We haven't run Toolrail through [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt) yet. We rank 2,823 plans for company enrichment APIs by price. Half the plans cost $9.091 or less per 1,000 companies. This plan costs less per 1,000 companies than 67% of the 2,823 plans. [Coldlytics's $49 monthly plan](https://datacircle.dev/company-enrichment-apis/coldlytics/49-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. Coldlytics's company enrichment API costs nothing beyond the plan price. [Pokt Agent's pay-as-you-go plan](https://datacircle.dev/company-enrichment-apis/pokt-agent/pay-as-you-go-x402-pay-per-call-post-kr-entity-resolve/llms.txt) costs the least for 10,000 companies a month: $1.00. [APIs Peru's PEN 30 (about $9) monthly plan](https://datacircle.dev/company-enrichment-apis/apis-peru/pen-30-monthly/llms.txt) covers any number of companies in Peru only. APIs Peru's PEN 30 (about $9) monthly plan costs less up front than Coldlytics's $49 monthly plan. [GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt), [TrustMRR](https://datacircle.dev/company-enrichment-apis/trustmrr/free/llms.txt) and [GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt) are the best company enrichment API providers in the Datacircle benchmark for companies in any country. - This page: https://datacircle.dev/company-enrichment-apis/toolrail/pay-as-you-go - [Company enrichment API: the best of 240+ providers compared](https://datacircle.dev/best-company-enrichment-api.txt) - Get it: https://toolrail.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing - Request: `POST https://toolrail.dev/vat/validate` - API key: not needed - Its API docs: https://toolrail.dev/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing#/paths/~1vat~1validate - Sold by: Toolrail (https://toolrail.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing) - Checked: 2026-11-09 ## In the answer - Completeness: 8% - Headquarters: ✓ ## Price - $ per 1,000 companies: $3.00 - Per: call - Billing: pay as you go ## Aggregators - Aggregators: none ## Charges - Also pays for: nothing else ## In their words - Their pitch: Pay-per-call utility API for AI agents via the x402 payment protocol (USDC on Base or Solana). No API keys, no subscriptions: call an endpoint, receive HTTP 402 with payment instructions, pay, retry, get the resource. ## Data - Keep data: no API terms - Use data: no API terms ## Plan - Pay: per call ## Rate limit - Batch: 1 ## Speed - Answer: in the call ## The call - You send: countryCode, vatNumber - Method: POST - Path: /vat/validate ## About the plan - Plan: x402 pay per call - Who can get it: anyone with a wallet paying each call in USDC on Base or Solana (x402), with no account or API key ## The 7 fields the plan's answer can hold country code, VAT number, valid, company name, address, consultation date, source ## Toolrail's plans (1) - [Toolrail, pay as you go](https://datacircle.dev/company-enrichment-apis/toolrail/pay-as-you-go/llms.txt): $3.00 per 1,000, 8% complete ## Toolrail's calls (1) - `POST /vat/validate`: [Toolrail, pay as you go](https://datacircle.dev/company-enrichment-apis/toolrail/pay-as-you-go/llms.txt) ## Toolrail's APIs (1) - [Toolrail: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/toolrail/pay-as-you-go/llms.txt) ## Toolrail: company enrichment API alternatives - [ReefAPI, $15 monthly, Pro monthly, POST /indeed/v1/company](https://datacircle.dev/company-enrichment-apis/reefapi/15-monthly-pro-monthly-post-indeed-v1-company/llms.txt): $3.00 per 1,000, 46% complete, live - [DiscoLike, $199 monthly, Pro, POST /append, Append](https://datacircle.dev/company-enrichment-apis/discolike/199-monthly-pro-post-append/llms.txt): $3.00 per 1,000, 69% complete, 30 days - [DomScan, $10 pack](https://datacircle.dev/company-enrichment-apis/domscan/10-pack/llms.txt): $3.00 per 1,000, 54% complete - [Nimble, pay as you go, POST /v2/serp](https://datacircle.dev/company-enrichment-apis/nimble/pay-as-you-go-post-v2-serp/llms.txt): $3.00 per 1,000, 31% complete, live ## 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://api.cdp.coinbase.com/platform/v2/x402/discovery/resources?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing - https://toolrail.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing - https://toolrail.dev/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing - https://toolrail.dev/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing - https://toolrail.dev/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing