runsonwhat

Bold's tech stack

What does Bold use?

Bold (boldcf.co) uses at least 22 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, AppsFlyer for analytics and Contentful for its website. Last checked .

LinkedIn
Company page
Re-check liveVisit boldcf.co
Tools found
22
Categories
15
Layers
5 of 5
Last checked
Oct 2026

Bold'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

Hosting & Cloud

CDN & Edge

DNS

Application

4 tools, what the product is built with

Frontend

Auth & Identity

AI

Data & Observability

1 tool, what they measure and store

Analytics

Go-to-market

3 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Company Ops

11 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Dev Tools

Security & Compliance

Companies like Bold also use

Tools common among companies with a similar stack that we haven't found at Bold.

Companies with a stack like Bold's

Ranked by shared tools, with rare tools counting more.

Bold tech stack FAQ

What tools does Bold use?

As of October 2026, runsonwhat has found 22 tools at Bold (boldcf.co) in public records. Edge & Hosting: Amazon Web Services, Amazon Route 53 and Amazon CloudFront. Application: Tailwind CSS, Anthropic and Gatsby. Data & Observability: AppsFlyer. Go-to-market: LinkedIn Insight Tag and Contentful. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 11, 2026.

What cloud does Bold run on?

Bold uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on boldcf.co. Amazon Web Services is used by 145,079 companies runsonwhat tracks.

What email provider does Bold use?

Bold uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 705,068 companies runsonwhat tracks.

What analytics tools does Bold use?

Bold uses AppsFlyer for analytics, according to runsonwhat (October 2026). runsonwhat found AppsFlyer through AppsFlyer code on boldcf.co. AppsFlyer is used by 2,831 companies runsonwhat tracks.

What is Bold's website built with?

Bold uses Contentful for its website, according to runsonwhat (October 2026). runsonwhat found Contentful through Contentful code on boldcf.co. Contentful is used by 4,083 companies runsonwhat tracks.

What does Bold use for login and identity?

Bold uses Stytch for sign-in and identity, according to runsonwhat (October 2026). runsonwhat found Stytch through a DNS verification record for Stytch and code on boldcf.co. Stytch is used by 278 companies runsonwhat tracks.

Does Bold use SendGrid?

Yes. runsonwhat found SendGrid at Bold through email records that authorize SendGrid. SendGrid is a Email Delivery tool used by 191,998 companies runsonwhat tracks.

Does Bold use AI tools?

Yes. runsonwhat has found Anthropic at Bold; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Bold may use more AI tools than these.

Which companies have a tech stack similar to Bold's?

The companies with the stacks most like Bold's are Harvey AI, Spring Care, Siemens Healthineers and BioRender, according to runsonwhat (October 2026). Each shares 8 to 12 tools with Bold, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Bold uses?

runsonwhat reads public records only. Of the 22 tools at Bold, 12 were found through DNS records, 7 through code on boldcf.co and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and boldcf.co about 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.