Pricing
Not listed
Official monthly price not confirmed
- API
- FAQ states agents connect through API or MCP, and merchants configure payable routes via Sponge Gateway without SDK changes.
Sponge
● Identity checkedAssistant · Vendor site 2026-10-04
Sponge builds financial infrastructure for the agent economy, giving AI agents wallets to hold and spend money while merchants sell services through Sponge Gateway using x402 and MPP machine-payment protocols. Agents can connect via API or MCP with configurable spending limits, and merchants can price HTTP routes without rewriting upstream apps.
- Category
- Assistant
- Free access
- Not confirmed
- API access
- FAQ states agents connect through API or MCP, and merchants configure payable routes via Sponge Gateway without SDK changes.
Is Sponge right for you?
A good fit for
Developers building autonomous agents and API providers who need wallets, guardrails, and machine-to-machine checkout flows.
Before you choose
No public monthly SaaS pricing page; monetization appears usage and gateway driven rather than listed seat plans.
Payments for autonomous agents
Sponge pairs agent wallets with gateway tooling so software agents can pay for services and businesses can charge them over x402 and MPP with configurable guardrails.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Agent wallets | Homepage lets operators give each agent an account that can pay, invest, and earn across rails. | Facts sourced | 2026-10-04 |
| Gateway monetization | Sponge Gateway adds x402 and MPP payments in front of existing APIs with per-route pricing. | Facts sourced | 2026-10-04 |
| Spending controls | FAQ notes operators can set per-transaction limits, daily budgets, and approved merchant lists. | Facts sourced | 2026-10-04 |
Understand the total cost
Sponge pricing & plans
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Explore toolThe practical questions
Frequently asked questions
How do AI agents make payments?
Sponge assigns each agent its own wallet so it can hold funds and transact autonomously via API or MCP within operator-defined limits.
How do merchants sell to AI agents?
Sponge Gateway fronts an API, sets prices per endpoint for x402 or MPP, and handles auth without requiring upstream code changes.
What is Sponge used for?
Sponge builds financial infrastructure for the agent economy, giving AI agents wallets to hold and spend money while merchants sell services through Sponge Gateway using x402 and MPP machine-payment protocols. Agents can connect via API or MCP with configurable spending limits, and merchants can price HTTP routes without rewriting upstream apps.
Does Sponge have a free plan?
Not confirmed. This record does not confirm an ongoing free plan.
How much does Sponge cost?
A listed monthly price has not been confirmed. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use Sponge through an API?
FAQ states agents connect through API or MCP, and merchants configure payable routes via Sponge Gateway without SDK changes.. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
No public monthly SaaS pricing page; monetization appears usage and gateway driven rather than listed seat plans.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.