Side by side
Crossmint vs Sponge
Crossmint and Sponge both operate in the Payments & Fintech part of the Tempo ecosystem. Crossmint — Wallets, stablecoins, and agentic-commerce APIs.. Sponge — Infrastructure for AI agents to hold and spend money..
Crossmintactive
Wallets, stablecoins, and agentic-commerce APIs.
- What it does
- Payments and wallet infrastructure platform offering stablecoin payments, programmable wallets, and agentic commerce, delivered through APIs and SDKs.
- Headquarters
- Miami, Florida.
- Role on Tempo
- Infrastructure partner for Tempo Transactions; listed in Tempo's ecosystem for wallet/custody (and on-ramp/off-ramp) services.
- Wallet infrastructure
- Provides embedded, programmable wallets (wallets-as-a-service).
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 | Crossmint | Sponge |
|---|---|---|
| Type | payments app | payments app |
| Category | Payments & Fintech | Payments & Fintech |
| Status | active | active |
| Chains | — | — |
| Website | Yes | Yes |
| Docs | — | — |
| GitHub | — | — |
| Confidence | 82% | 93% |
| Sources | 6 | 4 |
Read on
Answers
Crossmint vs Sponge: questions
- What is the difference between Crossmint and Sponge on Tempo?
- Crossmint is Wallets, stablecoins, and agentic-commerce APIs.. Sponge is Infrastructure for AI agents to hold and spend money.. Both sit in the Payments & Fintech part of the Tempo ecosystem.
- Is Crossmint or Sponge live on Tempo?
- Neither is confirmed on Tempo mainnet yet — Crossmint is active and Sponge is active. Status is tracked from primary sources.
- Should I choose Crossmint 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 (Crossmint: 82%, Sponge: 93%), then read each full profile before deciding.