# Windfall, contact us: People enrichment API

> Bring Windfall’s people intelligence into any workflow in real time. Access Windfall’s wealth and career intelligence through a simple API call.

Windfall's people enrichment API on its Request a demo plan. It returns 1 of the 13 key fields we check: Experience.
We haven't run Windfall through [our people enrichment API benchmark](https://datacircle.dev/best-people-enrichment-api.txt) yet.
Windfall gives this plan's price on request. We rank 191 plans for people enrichment APIs by price. Half the plans cost $10.00 per 1,000 people or less.
[Coldlytics's $49 monthly plan](https://datacircle.dev/person-enrichment-apis/coldlytics/49-monthly/llms.txt) is the cheapest paid plan per 1,000 people: as little as $0.0095. Coldlytics's $49 monthly plan covers up to 5,184,000 people a month at no extra cost.
[GetProspect's $49 monthly plan (/v2/people/{id})](https://datacircle.dev/person-enrichment-apis/getprospect/49-monthly-starter-get-v2-people-id/llms.txt) covers any number of people. GetProspect's $49 monthly plan costs as much up front as Coldlytics's $49 monthly plan.
[GetProspect](https://datacircle.dev/person-enrichment-apis/getprospect/399-monthly-growth-50k-post-v2-people-enrich/llms.txt), [Context.dev](https://datacircle.dev/person-enrichment-apis/context-dev/500-monthly/llms.txt) and [Reverse Contact](https://datacircle.dev/person-enrichment-apis/reverse-contact/500-pack/llms.txt) are the best people enrichment API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/person-enrichment-apis/windfall/contact-us
- [People enrichment API: 10 providers compared](https://datacircle.dev/best-people-enrichment-api.txt)
- Get it: https://www.windfall.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- Request: `POST https://api.windfalldata.com/v1/`
- API key: with the plan, on https://www.windfall.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- Its API docs: https://api-docs.windfall.com/enrich?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- Sold by: Windfall (https://www.windfall.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 8%
- Experience: ✓

## Price

- Per: call
- Billing: contact

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Bring Windfall’s people intelligence into any workflow in real time. Access Windfall’s wealth and career intelligence through a simple API call.

## Data

- Freshness: 7 days
- Keep data: 5.5. Post-Termination Requirements. Promptly following expiration or termination of this Agreement, you agree to delete (and will not keep in your possession, recreate, or deliver to anyone else) any and all Windfall Technology, and Confidential Information (as defined below), and you will provide Windfall with written certification of deletion upon written request by Windfall.
- Use data: You may not access any Services unless, and by accessing the Services you represent and warrant that, you (1) if an individual, are at least 18 years of age, (2) are not in any manner affiliated with a direct competitor of Windfall, (3) will not access the Services to monitor their availability, functionality, or for any other benchmarking or competitive purposes, (4) or any entity that you are affiliated with, have not at any time breached a contract with Windfall, and (5) accept and agree to be bound by the provisions of this Agreement. [...] 2.2. Usage Restrictions. Except as otherwise expressly permitted by Windfall, you and your Users will not, directly or indirectly, (1) reverse engineer, decompile, disassemble or otherwise attempt to discover the source code or other underlying Windfall Technology, (2) modify, copy, reproduce, display to third parties, translate, or create derivative works based on the Services or any Windfall Technology, (3) rent, lease, distribute, sell, resell, assign, or otherwise purport to transfer rights to the Services or any Windfall Technology, (4) use the Services or any Windfall Technology for timesharing or service bureau purposes or otherwise for the benefit of any third party, (5) remove any proprietary notices from the Services or any Windfall Technology, (6) publish or disclose to third parties any evaluation of the Services or any Windfall Technology without Windfall’s prior consent, (7) create any link to the Services or frame or mirror any content contained on, or accessible from, the Services, without Windfall’s prior written consent, (8) remove, disable, circumvent, or otherwise create or implement any workaround to rights management or security features in or protecting the Services, or (9) use Windfall Technology in any manner or for any other purpose other than as expressly permitted by this Agreement. [...] You agree: (1) to abide by all applicable laws and regulations in connection with your use of the Services, and including without limitation all laws regarding the transmission of promotional communications and the collection of personal data by or through the Services, [...]

## Rate limit

- Per second: 5
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: Content-Type header "application/json". Optional: id, first_name, last_name, addresses[].address, addresses[].city, addresses[].state, addresses[].zipcode, emails, phones, company_name
- Method: POST
- Path: /v1/

## About the plan

- Plan: Request a demo
- Who can get it: an organization with a Windfall account (tokens are tied to the organization's account), an individual at least 18 years of age and not affiliated with a direct competitor of Windfall

## The 61 fields the plan's answer can hold

ID, household matched, career matched, household Windfall ID, household match confidence, net worth, net worth low estimate, net worth high estimate, net worth last calculated, loan to value, multi-property owner, rental property owner, boat owner, plane owner, recent mover, recently divorced, recent death in family, philanthropic giver, top philanthropic donor, philanthropic causes, regional giving focus, donor-advised funds, foundation association, foundation officer or trustee, nonprofit board member, political donor, top political donor, political party, money in motion, liquidity trigger, household debt, crypto interest, small business owner, trust association, primary address incorrect, career match confidence, career data last updated, LinkedIn URL, job title, job level, job function, job start date, recently changed jobs, recently promoted, recently retired, recently changed companies, possibly a student, possibly unemployed, possible additional jobs, company name, company domain, company phone number, company address line 1, company address line 2, company city, company state, company ZIP code, company NAICS code, company category, company size range, company revenue range

## Windfall's plans (1)

- [Windfall, contact us](https://datacircle.dev/person-enrichment-apis/windfall/contact-us/llms.txt): 8% complete, 7 days

## Windfall's calls (1)

- `POST /v1/`: [Windfall, contact us](https://datacircle.dev/person-enrichment-apis/windfall/contact-us/llms.txt)

## Windfall's APIs (1)

- [Windfall: people enrichment API pricing, 1 plan](https://datacircle.dev/person-enrichment-apis/windfall/contact-us/llms.txt)

## Windfall: people enrichment API alternatives

- [NeuralVerge, contact us, Custom, POST /functions/v1/run-phone-enrichment](https://datacircle.dev/person-enrichment-apis/neuralverge/contact-us-custom-post-functions-v1-run-phone-enrichment/llms.txt): 8% complete, live
- [FINTRX, contact us](https://datacircle.dev/person-enrichment-apis/fintrx/contact-us/llms.txt): 8% complete, 1 day
- [Societeinfo, contact us](https://datacircle.dev/person-enrichment-apis/societeinfo/contact-us/llms.txt): 8% complete, 1 day
- [The Data Group, contact us, Enterprise, POST /append/demographic](https://datacircle.dev/person-enrichment-apis/the-data-group/contact-us-enterprise-post-append-demographic/llms.txt): 8% 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 2026-11-04.

- https://api-docs.windfall.com/authentication?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- https://api-docs.windfall.com/career-fields?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- https://api-docs.windfall.com/enrich?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- https://api-docs.windfall.com/examples?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- https://api-docs.windfall.com/household-fields?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- https://api-docs.windfall.com/static/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- https://www.windfall.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- https://www.windfall.com/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing