Dev tools · alternatives · 2026
24 alternatives to Knot API
Cancel subscriptions, update cards, passwords, and more
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Knot API launched in 2022; newer entries below may have overtaken it.
- 1

Knot powerfully improves products for you and your users, adding revenue-generating features and connecting cardholders to thousands of merchants.
2022 · knotapi.com · its alternatives →
- 2
Fin on Slack▲140Research, buy, or schedule your requests with Fin on Slack.
2018 · fin.com · its alternatives →
- 3
Truebill▲766Find your paid subscriptions and cancel with one click
2016 · rocketmoney.com · its alternatives →
- 4

Real-time data aggregation and asset transfer for fintech
2022 · meshpay.com · its alternatives →
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- 6
NoCodeAPI 3.0▲415The easiest way to connect with APIs without code
2021 · nocodeapi.com · its alternatives →
- 7
Teller API▲308A single API to connect your app with any bank's account
2017 · teller.io · its alternatives →
- 8

- 9AA
Hey everyone! I'm Rob and I want to share what I've built - a solid ledger behind simple API: https://decimals.app The ledger is a key piece of any financial system and is easy to get the design wrong, resulting in troubles for making sure money movements are adding up. I took a lot of inspiration from good designs from Square, Uber, and others for the scalability and security aspects. And on the usability side, I applied many concepts from the Ledger CLI, making it very easy to use. I'm really happy I get to show this to you all, thank you for reading about it! Please let me know…
2020 · its alternatives →
- 10

The first card API platform with app integrations
2016 · emburse.com · its alternatives →
- 11
Apideck Vault▲112The new standard for connecting APIs and integrations
2021 · apideck.com · its alternatives →
- 12
OneCLI▲143Give every employee a secured, sandboxed pro assistant agent
Aug 2026 · onecli.sh · its alternatives →
- 13
Finage▲104Real-time API platform for stock, forex, and crypto data
2025 · finage.co.uk · its alternatives →
- 14

- 15

The first AI-powered cancel flow for subscriptions.
2020 · retentionengine.com · its alternatives →
- 16
Courtyard.io▲74Tokenize, trade, and collect real world assets onchain
2023 · courtyard.io · its alternatives →
- 17

- 18
Payemoji▲76AI-powered payments and conversational commerce
Apr 2026 · payemoji.com · its alternatives →
- 19

Build your fintech product using our plug & play APIs
2021 · its alternatives →
- 20

- 21
ApiBridge▲12Turn your database into a secure API in seconds with no code
2025 · tryapibridge.com · its alternatives →
- 22

Stop losing money to forgotten subscriptions.
Mar 2026 · flowsubs.app · its alternatives →
- 23

Exchange crypto collectibles with friends / strangers nearby
2019 · tokenary.io · its alternatives →
- 24AT
Hey HN, I’m the founder of SyncAI. Previously, I was building internal tools for a fintech startup. We tried using GPT-4 Vision and various OCR APIs to automate our Accounts Payable. They worked great for ~90% of documents. The problem was the other 10%: crumpled receipts, handwritten delivery notes, or invoices with weird layouts. In fintech, a 90% success rate isn’t automation; it’s a liability. We spent more time fixing the AI’s hallucinations than if we had just typed it manually. I realized that for high-stakes operations, we didn’t need "better AI"—we needed a Safety Layer. So I built…
Jan 2026 · sync-ai-11fj.vercel.app · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →