Tempo-backed MPP registry
MPP Registry
Curated bundles
Start from the current curated bundle.
These four namespaces now have dedicated bundle surfaces, revision history, and signed snapshots. Use them as the fastest way into the directory when you already know the capability lane you need.
Curated bundle
Wallet
Exercise production namespace webhook delivery.
sha256:wallet-root-fb7f03ab
Curated bundle
Search
AI-powered web search, content retrieval, and answers.
sha256:55f82cd0deb...c04402ee49c0dc17f3
Curated bundle
Payments
Multi-chain x402 micropayment infrastructure for AI agents. 60 pay-per-call API services for crypto analytics, trading signals, security audits, satellite data (NASA/ESA), real estate, banking, market intelligence, prediction markets, IoT/DePIN data, and AI inference. Native Coinbase Agentic Wallet compatible. Pay with USDC on Ethereum or Base - prices from $0.05 to $10.00 per request.
sha256:9644ee28821...b0c987cbd4a3b6f9f9
Curated bundle
Inference
Image, video, and audio generation with 600+ models (Flux, SD, Recraft, Grok).
sha256:1cbce63f9e1...d124e607f5dd534544
dRPC Tempo RPC
Public dRPC Tempo JSON-RPC endpoint, suitable for lightweight shared reads and infrastructure comparison.
https://tempo.drpc.org/
Inspect endpoint
Chainstack Tempo public example RPC
Chainstack-branded Tempo testnet JSON-RPC endpoint published in Chainstack's Tempo reference docs.
https://tempo-moderato.core.chainstack.com/a25a421add2280d53fdbc23417055501/
Inspect endpoint
QuickNode Tempo docs-demo RPC
Public Tempo testnet JSON-RPC endpoint from QuickNode's docs surface, useful for request-shape validation and shared read traffic.
https://docs-demo.tempo-testnet.quiknode.pro/
Inspect endpoint
Alchemy NFT API
Official Alchemy NFT ownership endpoint. This record uses an automated HTTP probe against the documented docs-demo surface while x402-specific import remains a separate future path.
https://eth-mainnet.g.alchemy.com/nft/v3/docs-demo/getNFTsForOwner
Inspect endpoint
Alchemy Portfolio API
Official Alchemy multi-chain portfolio endpoint for fungible token holdings with metadata and prices. This record uses an automated HTTP probe against the documented docs-demo surface.
https://api.g.alchemy.com/data/v1/docs-demo/assets/tokens/by-address
Inspect endpoint
Alchemy Prices API
Official Alchemy prices endpoint for current token prices. This record uses an automated HTTP probe against the documented docs-demo surface.
https://api.g.alchemy.com/prices/v1/docs-demo/tokens/by-symbol
Inspect endpoint
Alchemy Tempo RPC (testnet)
Official Alchemy Tempo RPC endpoint using the documented API-key surface. This record now uses an automated HTTP probe against the docs-demo endpoint with the required Alchemy docs origin headers.
https://tempo-moderato.g.alchemy.com/v2/docs-demo
Inspect endpoint
Blockradar Tempo testnet catalog APIs
Blockradar APIs that expose Tempo testnet network and asset catalog data, with Tempo listed as a supported testnet integration.
https://api.blockradar.co/v1/assets
Inspect endpoint
Blockradar Tempo testnet catalog APIs
Blockradar APIs that expose Tempo testnet network and asset catalog data, with Tempo listed as a supported testnet integration.
https://api.blockradar.co/v1/blockchains