# SellMyData vs Endless Data: how their terms compare

URL: https://sellmydatatoai.net/compare/sellmydata-vs-endless-data
Updated: 2026-11-08

SellMyData suits companies of any headcount that want to pay a commission only when a sale closes, and Endless Data suits companies with roughly 30 or more staff that want a non-exclusive license. Endless Data is paid by the labs and asks for roughly 30 or more staff. SellMyData sets no minimum headcount and takes a commission when a sale closes.

## Key takeaways

- SellMyData is a data broker, and Endless Data is a direct buyer.
- Published payout at SellMyData: Not published.
- Published payout at Endless Data: Up to $4 million (indicative estimate based on headcount, years of history and location).
- SellMyData publishes 4 of the 6 terms compared here, and Endless Data publishes 6.
- Facts were checked on each company's own pages in November 2026.

## How do SellMyData and Endless Data compare?

"Not published" means the company's own pages do not say.

| Term | SellMyData | Endless Data |
| --- | --- | --- |
| Type | Data broker | Direct buyer |
| What it buys | Messages, code, documents, records and tasks from tools such as Slack, Teams, Gmail, GitHub, Jira, Drive, Notion, Salesforce, HubSpot, QuickBooks and Zendesk | Quotes, tickets, work orders, SOPs, handover notes and internal communications. Excludes personal data, protected health information, privileged matter content, client books and pricing logic |
| Published payout | Not published. Price set by data type, volume, years of history and lab demand, and approved by the seller | Up to $4 million (indicative estimate based on headcount, years of history and location) |
| Size requirement | No minimum headcount | Roughly 30 or more employees, several years of history, English documentation. US, UK and Canada prioritized |
| Exclusivity | Not published | Non-exclusive |
| Fee to seller | Nothing upfront. Commission when a sale closes (rate not published) | None. Endless is paid by the labs |
| Payment timing | Target of 7 days after a sale closes | Fixed sum agreed before data is shared, paid after signing, preparation and transfer. No date published |
| Facts checked | November 2026 | November 2026 |

## Who are SellMyData and Endless Data?

### SellMyData

SellMyData is a broker that de-identifies company data and sells it to AI labs, describing itself as the exchange for AI training data. It sets no minimum headcount, charges nothing upfront, takes a commission only when a sale closes, lets sellers approve every buyer and term, and targets payment within 7 days of a sale closing.

Profile: https://sellmydatatoai.net/data-buyers/sellmydata

### Endless Data

Endless Data, the trading name of Seldon Ventures, L.L.C., licenses operational data from companies and places it with several AI labs, naming micro1, Mercor and Handshake as examples. It advertises up to $4 million, asks for roughly 30 or more staff, several years of history and English documentation, uses a non-exclusive license and charges the seller nothing.

Profile: https://sellmydatatoai.net/data-buyers/endless-data

## Which fits you, SellMyData or Endless Data?

The right fit depends on your records and the terms you need. We do not rank either company.

### SellMyData may suit you if

- you have no minimum headcount to meet
- you prefer to pay nothing upfront and a commission only when a sale closes
- you want a target of payment within 7 days of a sale closing

### Endless Data may suit you if

- you have roughly 30 or more employees, several years of history and English documentation
- you want a non-exclusive license
- you want a fixed sum agreed before any data is shared, with no fee to you because the labs pay Endless Data

### Terms to ask about

SellMyData does not publish its payout or exclusivity terms. Endless Data publishes all 6 terms compared on this page. Ask each company for these terms in writing before you share a sample.

## Frequently asked questions

### What do SellMyData and Endless Data pay for data?

SellMyData and Endless Data publish different payout information. SellMyData: Not published. Price set by data type, volume, years of history and lab demand, and approved by the seller. Endless Data: Up to $4 million (indicative estimate based on headcount, years of history and location). Published figures are ceilings or estimates, not offers, so ask each company for a written figure based on your own records.

### What size of company do SellMyData and Endless Data look for?

SellMyData and Endless Data set out their size requirements differently. SellMyData: No minimum headcount. Endless Data: Roughly 30 or more employees, several years of history, English documentation. US, UK and Canada prioritized. Confirm fit with each company before you prepare a sample.

### Do SellMyData and Endless Data charge sellers a fee or require exclusivity?

SellMyData and Endless Data publish these terms as follows. SellMyData fee to seller: Nothing upfront. Commission when a sale closes (rate not published). SellMyData exclusivity: Not published. Endless Data fee to seller: None. Endless is paid by the labs. Endless Data exclusivity: Non-exclusive. Ask for both terms in writing before you sign.

### When do SellMyData and Endless Data pay sellers?

SellMyData and Endless Data publish different payment timing. SellMyData: Target of 7 days after a sale closes. Endless Data: Fixed sum agreed before data is shared, paid after signing, preparation and transfer. No date published. Write the payment date into the license, with a clear trigger such as signing, delivery or acceptance of the data.

## Sources

- [SellMyData homepage and FAQ](https://www.sellmydata.com/), SellMyData, accessed November 2026
- [Endless Data homepage and FAQ](https://endless-data.com/), Endless Data, accessed November 2026

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