Kestrl: Muslim Money App

Kestrl is a UK-based, FCA-regulated ethical fintech offering a values-aligned money app for Muslim and ethically-minded consumers. In partnership with Maybank Islamic, it provides interest-free (Sharia-compliant) banking, a Mastercard debit card with values filtering, goal-based sub-accounts, interest purification and Zakat calculation, transaction monitoring that alerts users to payments toward ethically questionable companies, and security features such as card freezing and biometric authentication. Kestrl is a consumer mobile application on iOS and Android; it does not currently publish a public developer API, SDK, or developer portal. This profile was surfaced as a Techstars portfolio company and enriched from public web sources.

Kestrl: Muslim Money App is profiled on the APIs.io network. Tagged areas include Company, Fintech, Islamic Finance, Ethical Banking, and Personal Finance.

Kestrl: Muslim Money App’s developer surface includes support, signup flow, and 4 more developer resources.

🌐 Visit website 📡 Source on GitHub

16.8/100 emerging ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

CompanyFintechIslamic FinanceEthical BankingPersonal FinanceMobile BankingPaymentsTechstars

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 16.8/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 0.9 / 20

Commercial Clarity 6.8 / 20

Operational Transparency 0.0 / 13

Governance 0.0 / 12

Discoverability 6.8 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/kestrl-muslim-money-app: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Get Started 1

Portal, sign-up, and the first successful call

SignUp

SignUp

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

aid: kestrl-muslim-money-app
name: 'Kestrl: Muslim Money App'
description: Kestrl is a UK-based, FCA-regulated ethical fintech offering a values-aligned money app for Muslim and ethically-minded
  consumers. In partnership with Maybank Islamic, it provides interest-free (Sharia-compliant) banking, a Mastercard debit
  card with values filtering, goal-based sub-accounts, interest purification and Zakat calculation, transaction monitoring
  that alerts users to payments toward ethically questionable companies, and security features such as card freezing and biometric
  authentication. Kestrl is a consumer mobile application on iOS and Android; it does not currently publish a public developer
  API, SDK, or developer portal. This profile was surfaced as a Techstars portfolio company and enriched from public web sources.
url: https://raw.githubusercontent.com/api-evangelist/kestrl-muslim-money-app/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- techstars
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://framerusercontent.com/images/1e1bojrtBFw4okK5e6fAdfRk.png
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Fintech
- Islamic Finance
- Ethical Banking
- Personal Finance
- Mobile Banking
- Payments
- Techstars
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/kestrl-muslim-money-app-domain-security.yml
- type: Website
  url: https://kestrl.io/
- type: Support
  url: https://support.kestrl.io/en/
- type: TermsOfService
  url: https://kestrl.io/docs/terms-and-conditions
- type: PrivacyPolicy
  url: https://kestrl.io/docs/privacy-policy
- type: SignUp
  url: https://kestrl.io/get-the-app
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence