# Attestr, free, Demo credits, POST /api/v2/public/corpx/itr: Company enrichment API

> This API provides instant access to the latest details of Income Tax Return (ITR) filings and the gross revenue of a company based on the provided business PAN number.

Attestr's company enrichment API on its Demo credits plan. It costs $0.00 per 1,000 companies. It returns none of the 13 key fields we check: Description, Industry, Type and status, Images and 9 more.
We haven't run Attestr through [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt) yet.
This plan is free. We rank 1,622 plans for company enrichment APIs by price. Half the plans cost $7.767 per 1,000 companies or less.
[Extruct's $49 monthly plan](https://datacircle.dev/company-enrichment-apis/extruct/49-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. Extruct's company enrichment API costs nothing beyond the plan price.
[CNPJ API's R$99 monthly plan (/bulk-cnpj)](https://datacircle.dev/company-enrichment-apis/cnpj-api/r-99-monthly-pro-post-bulk-cnpj/llms.txt) covers any number of companies in Brazil only. CNPJ API's R$99 monthly plan costs less up front than Extruct's $49 monthly plan.
[ROIC.ai](https://datacircle.dev/company-enrichment-apis/roic-ai/89-monthly/llms.txt), [GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/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/attestr/free-demo-credits-post-api-v2-public-corpx-itr
- [Company enrichment API: the best of 150+ providers compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://docs.attestr.com/attestr-docs/attestr-purchase-credits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `POST https://api.attestr.com/api/v2/public/corpx/itr`
- API key: with the plan, on https://docs.attestr.com/attestr-docs/attestr-purchase-credits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://docs.attestr.com/attestr-docs/business-itr-and-gross-turnover-by-pan-number-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Sold by: Attestr (https://attestr.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 0%

## Price

- $ per 1,000 companies: $0.00
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: This API provides instant access to the latest details of Income Tax Return (ITR) filings and the gross revenue of a company based on the provided business PAN number.

## Data

- Countries: India
- Keep data: no limit
- Use data: You may use the Services and Outputs only for your internal business purposes relating to verification, due diligence, compliance and fraud prevention, and for presentations to your own clients strictly for their internal verification and fraud-prevention purposes. You must not, and must ensure your Permitted Users do not: verify or monitor any individual without valid consent or another lawful basis, copy, sell, sublicense, publish, redistribute or commercially exploit Outputs or verified data, or share them with anyone other than Permitted Users, without our prior written consent, use Personal Data or Outputs for marketing, profiling or any purpose other than the authorised verification purpose, combine Outputs with third-party datasets for resale, data brokerage or enrichment, or attempt to re-identify masked, tokenised or anonymised data, scrape, reverse engineer, decompile, circumvent rate limits or security controls, or probe or test the Services' security without our written permission, use the Services to build a competing product or dataset, or use the Services in breach of any law, including the DPDP Act, the Information Technology Act, 2000 and any KYC or sector regulations that apply to you.

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: pan, birthOrIncorporatedDate, name, Content-Type header "application/json"
- Method: POST
- Path: /api/v2/public/corpx/itr

## About the plan

- Plan: Demo credits
- Who can get it: registered businesses whose access request Attestr approves

## The 10 fields the plan's answer can hold

valid, message, PAN status, financial year, ITR filed, ITR type, gross turnover, formatted gross turnover, export turnover, formatted export turnover

## Attestr's plans (3)

- [Attestr, free, Demo credits, POST /api/v2/public/corpx/itr](https://datacircle.dev/company-enrichment-apis/attestr/free-demo-credits-post-api-v2-public-corpx-itr/llms.txt): $0.00 per 1,000, 0% complete
- [Attestr, top-up, Pay as you go credits, POST /api/v2/public/corpx/itr](https://datacircle.dev/company-enrichment-apis/attestr/top-up-pay-as-you-go-credits-post-api-v2-public-corpx-itr/llms.txt): 0% complete
- [Attestr, contact us, Bulk pricing, POST /api/v2/public/corpx/itr](https://datacircle.dev/company-enrichment-apis/attestr/contact-us-bulk-pricing-post-api-v2-public-corpx-itr/llms.txt): 0% complete

## Attestr's calls for this API (2)

- `POST /api/v2/public/corpx/itr`: [Attestr, free, Demo credits, POST /api/v2/public/corpx/itr](https://datacircle.dev/company-enrichment-apis/attestr/free-demo-credits-post-api-v2-public-corpx-itr/llms.txt)
- `POST /api/v2/public/lookup/pan-to-cin`: [Attestr, free, Demo credits, POST /api/v2/public/lookup/pan-to-cin](https://datacircle.dev/company-enrichment-apis/attestr/free-demo-credits-post-api-v2-public-lookup-pan-to-cin/llms.txt)

## Attestr's APIs (2)

- [Attestr: company enrichment API pricing, 3 plans, POST /api/v2/public/corpx/itr](https://datacircle.dev/company-enrichment-apis/attestr/free-demo-credits-post-api-v2-public-corpx-itr/llms.txt)
- [Attestr: business verification API pricing, 3 plans, v2/public/corpx/business/autocomplete](https://datacircle.dev/business-verification-apis/attestr/free-demo-credits-post-api-v2-public-corpx-business-autocomplete/llms.txt)
- [Attestr: business verification API pricing, 3 plans, v2/public/corpx/business/master](https://datacircle.dev/business-verification-apis/attestr/free-demo-credits-post-api-v2-public-corpx-business-master/llms.txt)
- [Attestr: business verification API pricing, 3 plans, v2/public/corpx/business/search](https://datacircle.dev/business-verification-apis/attestr/free-demo-credits-post-api-v2-public-corpx-business-search/llms.txt)
- [Attestr: business verification API pricing, 3 plans, v2/public/corpx/gstin](https://datacircle.dev/business-verification-apis/attestr/free-demo-credits-post-api-v2-public-corpx-gstin/llms.txt)
- [Attestr: business verification API pricing, 3 plans, v1/public/corpx/udyam](https://datacircle.dev/business-verification-apis/attestr/free-demo-credits-post-api-v1-public-corpx-udyam/llms.txt)
- [Attestr: business verification API pricing, 3 plans, v1/public/corpx/gstin/search, Search GSTIN By Company Name](https://datacircle.dev/business-verification-apis/attestr/free-demo-credits-post-api-v1-public-corpx-gstin-search-search-gstin-by-company-name/llms.txt)
- [Attestr: business verification API pricing, 3 plans, v1/public/corpx/gstin/search, Search GSTIN By PAN Number](https://datacircle.dev/business-verification-apis/attestr/free-demo-credits-post-api-v1-public-corpx-gstin-search-search-gstin-by-pan-number/llms.txt)

## Attestr: company enrichment API alternatives

- [ROIC.ai, free](https://datacircle.dev/company-enrichment-apis/roic-ai/free/llms.txt): $0.00 per 1,000, 54% complete
- [data.ct.gov, free, With an app token](https://datacircle.dev/company-enrichment-apis/data-ct-gov/free-with-an-app-token/llms.txt): $0.00 per 1,000, 38% complete, 1 day
- [Decolecta, free, GET /v1/sunat/ruc/full](https://datacircle.dev/company-enrichment-apis/decolecta/free-get-v1-sunat-ruc-full/llms.txt): $0.00 per 1,000, 23% complete, 1 day
- [Brreg, free](https://datacircle.dev/company-enrichment-apis/brreg/free/llms.txt): $0.00 per 1,000, 38% complete, live
- [ANAF, free](https://datacircle.dev/company-enrichment-apis/anaf/free/llms.txt): $0.00 per 1,000, 31% 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 2026-11-05.

- https://attestr.com/platform/api-platform?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://attestr.com/platform/business-kyc?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://attestr.com/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.attestr.com/attestr-docs/attestr-introduction.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.attestr.com/attestr-docs/attestr-purchase-credits.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.attestr.com/attestr-docs/attestr-rate-limits.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.attestr.com/attestr-docs/attestr-self-signup.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.attestr.com/attestr-docs/business-itr-and-gross-turnover-by-pan-number-api.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing