runsonwhat

Grain's tech stack

What does Grain use?

Grain (trygrain.com) uses at least 7 tools we can see from public records, including Heroku for hosting, Google Workspace for email and documents, Zendesk for customer support and Mailchimp for marketing. Last checked .

“Grain transforms the debit card you already have into a credit card…”

Industry
Credit and Lending
Size
11–50 employees
Based in
San Francisco, United States
Tools found
7
Categories
7
Layers
3 of 5
Last checked
Oct 2026

Grain's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Edge & Hosting

3 tools, where the bytes are served from

Go-to-market

2 tools, how they find and keep customers

Support & Docs

Company Ops

2 tools, what the team runs on day to day

Email Delivery

Grain tech stack FAQ

What tools does Grain use?

We've found 7 tools at Grain (trygrain.com). Edge & Hosting: Amazon Route 53, Amazon CloudFront and Heroku. Go-to-market: Mailchimp and Zendesk. Company Ops: Google Workspace and Mailjet. Last checked October 2, 2026.

What cloud does Grain run on?

Grain uses Heroku for hosting. We found Heroku through custom domain and website code.

What email provider does Grain use?

Grain uses Google Workspace for email and documents. We found Google Workspace through email records.

What does Grain use for customer support?

Grain uses Zendesk for customer support. We found Zendesk through email records.

What marketing software does Grain use?

Grain uses Mailchimp for marketing. We found Mailchimp through email records.

Does Grain use Google Workspace?

Yes. We found Google Workspace at Grain through email records. Google Workspace is used by 126,364 companies we track.

How does runsonwhat know what Grain uses?

We read public traces only: Grain's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.