| Coinbase CDP Agentic Wallets / AgentKit | Keys held in Coinbase TEE/secure enclave infrastructure, never exposed to agent; Coinbase markets as non-custodial | Provider-side guardrails (per-session & per-tx caps) + SDK-side x402 spend controls (per-payment, rolling cumulative, network/asset/payee allowlists) | Agentic Wallet CLI: Base, Polygon, Solana (+testnets); AgentKit: multi-network EVM + Solana | yes (native; Coinbase created x402) | unknown | unknown | unknown |
| Crossmint Agent Wallets & Agentic Cards | Non-custodial smart wallet; user (or your backend) holds root signer, agent holds delegated key | Onchain (smart-wallet permissions: spend cap, counterparties, time window); card limits enforced by Crossmint/card network | Solana stated for stablecoin wallets; other chains unknown | yes (also MPP) | yes (scoped virtual Visa/Mastercard credentials) | 1,000 monthly active wallets | Overages from $0.025/MAU (custom from $0.02/MAW); usage-based, enterprise via sales |
| Openfort | Backend/server wallets controlled by developer via Openfort infra (exact key model: unknown) | Provider-side fail-closed signing policies (spend caps, contract allowlists) + onchain session keys | unknown | yes (native) | unknown | 2,000 operations/month | From $99/mo incl. 25,000 ops, then $0.008-$0.004/op; 5-10% gas sponsorship surcharge |
| Turnkey | Non-custodial key infrastructure (keys in Turnkey secure enclaves, controlled by org/user credentials) | Provider-side policy engine (per-tx value caps, address rules); max 5 policies below Enterprise | Multi-chain (per pricing page); specifics unknown | yes (buyer side) | unknown | 25 signatures/month, up to 1,000 wallets | $0.10/signature PAYG; Pro $99/mo + $0.05/sig; Enterprise from ~$0.0015/sig |
| Privy (server/agent wallets) | Agent-owned server wallets or user-owned wallets with delegated agent signer; custodial option available | Provider-side policy engine (token/chain restrictions, per-tx & time-window caps, allowlists) + per-request maxValue in x402 client | Configurable per policy; specific list unknown | yes (also MPP) | unknown | 0-499 MAU, 50K signatures, $1M tx volume/month | Core $299/mo (500-2,499 MAU); Scale $499/mo (2,500-9,999); PAYG above |
| thirdweb | Server wallets managed via thirdweb (key model: unknown) | unknown | unknown | yes (pay-per-call endpoints) | unknown | unknown | Usage-based; 0.3% transaction fee listed on pricing page |
| Dynamic (server wallets) | Backend-controlled MPC server wallets | unknown | unknown | yes (also MPP) | unknown | unknown | From $249/mo up to 5,000 MAU, then $0.05/MAU; enterprise custom |
| Alchemy Agent Wallets | Smart wallet with scoped, revocable session signers for the agent | Session-signer scope (onchain) + required --max-payment cap on automated x402 payments | unknown | yes (x402 v2) | unknown | 30M compute units (platform-wide) | $0.525 per 1M CUs; no separate agent-wallet price published |
| Skyfire (KYAPay) | Skyfire-managed agent wallet balance (funds committed via pay tokens); custodial per available sources | Provider-side (pay token amount is a max; user-set spend limits) | unknown | unknown | unknown | unknown | KYA verification requires subscription (price not shown); 2024 report cites 2-3% tx fee |
| Payman | unknown | unknown | unknown | unknown | unknown | unknown | No public pricing; sales-led (banks/credit unions) |
| Stripe (Link agent wallet / Issuing for agents / SPTs) | Custodial/fiat: Stripe holds payment credentials; agent receives one-time cards or Shared Payment Tokens | Provider-side (user-approved spend requests; SPTs scoped by amount, currency, merchant) | n/a (fiat card rails) | unknown | yes (one-time cards via Issuing) | unknown | unknown |
| nekuda | Credentials vaulted by nekuda; Visa Intelligent Commerce network tokens | Provider-side authorization rules with explicit user authorization | n/a (card rails) | unknown | yes (network tokens) | unknown | unknown |