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Diameter Pay

Diameter Pay

Private
New York City, New YorkFinTechhttps://diameterpay.com/

Last Round

Series A

Sep 3, 2026

Total Funding Raised

$14.89M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Diameter Pay is a fintech company that provides embedded payments to banks and financial institutions.

Sector

FinTech

Verticals

Digital Payments, RegTech, Corporate Banking, Foreign Exchange

Business Model

B2B2C

Customer Profile

Payment Processing Fee, Usage-Based SaaS, Subscription SaaS

AI Layer

Application

Keywords

embedded paymentspayment APIcross-border paymentsBanking-as-a-ServiceBaaScompliance automationfinancial infrastructureembedded financepayments-as-a-servicewire APIACH APItransaction monitoringsanctions screeningAML compliancecurrency custodynamed accounts

Historical Pricing

Historical view of private secondary pricing and transaction trends.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Diameter Pay Comparables

Compare Diameter Pay with similar companies based on industry and business-model similarity.

Diameter Pay comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Routefusion
86%
PayAll
84%
Visa Inc.
78%

Diameter Pay Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series ASep 3, 2026
GrantJan 1, 2023
Pre SeedFeb 11, 2019
AcceleratorSep 10, 2018
GrantAug 1, 2018

Diameter Pay Investors

Notable investors and investment history

Diameter Pay investors
InvestorRounds
Faction VCSeries A
Stellar Development FoundationSeries A
Mastercard FoundationPre Seed
TechstarsPre Seed, Accelerator
SixThirty VenturesSeries A
BitRock CapitalSeries A
Tech Council VenturesSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Sep 3, 2026

    $10M round led by CMT Digital and Lightspeed Faction.

  • Oct 27, 2024

    Monthly visitors grew 422% MoM, reaching 674.

Diameter Pay Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Diameter Pay Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Diameter Pay's valuation, stock price, and market status.

Firmographic Details

HeadquartersNew York City, New York
Year Founded2017
Last FundingSep 3, 2026

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