Dev Tools · 1h ago
Spraay Adds Loop-Native Callbacks for Autonomous Agent Payments
Spraay, an x402 payment gateway with 170+ endpoints across 16 chains, now supports callback URLs for autonomous agent loops. Agents can pass a callback_url to receive signed payloads when payments settle, eliminating polling and reducing token waste. The feature uses a Supabase-backed event queue with HMAC signing for secure delivery.
Meridian48 take
While solving a real problem for loop-engineered agents, the reliance on webhooks introduces latency and failure modes that could complicate autonomous workflows.
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We Made Our x402 Payment Gateway Loop-Native — Here's How (and Why Your Agent Needs It) →
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