Side by side
Lean vs Sponge
Lean and Sponge both operate in the Payments & Fintech part of the Tempo ecosystem. Lean — Fintech infrastructure for the UAE and KSA.. Sponge — Infrastructure for AI agents to hold and spend money..
Leanactive
Fintech infrastructure for the UAE and KSA.
- What it does
- Open banking / open finance API infrastructure that lets businesses access bank data and make account-to-account ("Pay by Bank") payments.
- Operating regions
- Saudi Arabia (KSA) and the United Arab Emirates (UAE)
- Regulatory status
- Licensed/regulated in Saudi Arabia and in ADGM (FSRA).
- Founded
- 2019
Spongeactive
Infrastructure for AI agents to hold and spend money.
- Products
- Sponge Wallet for AI agent accounts and Sponge Gateway for businesses to sell directly to agents.
- Headquarters
- San Francisco, California.
- Company Status
- Founded in 2026 and participated in the Y Combinator Winter 2026 batch.
- Founders
- Jae Choi, Eric Zhang, and Rishab Luthra (former Stripe engineers).
The record
How they compare
| Field | Lean | Sponge |
|---|---|---|
| Type | payments app | payments app |
| Category | Payments & Fintech | Payments & Fintech |
| Status | active | active |
| Chains | — | — |
| Website | Yes | Yes |
| Docs | — | — |
| GitHub | — | — |
| Confidence | 87% | 93% |
| Sources | 2 | 4 |
Read on
Answers
Lean vs Sponge: questions
- What is the difference between Lean and Sponge on Tempo?
- Lean is Fintech infrastructure for the UAE and KSA.. Sponge is Infrastructure for AI agents to hold and spend money.. Both sit in the Payments & Fintech part of the Tempo ecosystem.
- Is Lean or Sponge live on Tempo?
- Neither is confirmed on Tempo mainnet yet — Lean is active and Sponge is active. Status is tracked from primary sources.
- Should I choose Lean or Sponge?
- It depends on your use case — both serve the Payments & Fintech role on Tempo. Compare them on type, status, chains, integrations and source-backed confidence (Lean: 87%, Sponge: 93%), then read each full profile before deciding.