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Paid APIs an AI agent can call with x402. Burnbound checks each one every 6 hours without paying: it must answer a valid x402 challenge, on the host listed here, in USDC on Base or Base Sepolia. Prices are per call.
34 APIs · No paid placements: the list is alphabetical. A listing never lets an agent pay an API; its policy decides.
Cryptocurrency prices.
Market data · Base · fixed
Prepaid credits for Apify's web scraping actors.
Scraping · Base · fixed
Token data from the Bags API.
Market data · Base, Base Sepolia (testnet) · fixed
Gift cards, mobile top-ups and eSIMs.
Commerce · Base · fixed
LLM gateway and prediction market data.
LLM gateways · Base · fixed
Browser sessions driven by an AI agent.
Browser automation · Base · fixed
Crypto prices and liquidity pools.
Market data · Base · fixed
Cryptocurrency quotes.
Market data · Base · fixed
Semantic web search built for agents.
Search · Base · fixed
On-chain metrics for Bitcoin and other assets.
On-chain data · Base · fixed
Search across Twitter/X and other social sources.
Social data · Base · fixed
Foreign exchange prices (ticks).
Market data · Base · fixed
ENS name resolution.
Identity · Base · fixed
Bitcoin price forecasts.
Market data · Base · fixed
Prepaid cards and payments for agents.
Commerce · Base · fixed
Financial market data: stocks and filings.
Market data · Base · fixed
Web page metadata and summaries.
Scraping · Base · fixed
On-chain analytics: wallet balances and profiles.
On-chain data · Base · fixed
Prediction market data.
Market data · Base · fixed
Market news with an event window.
Market data · Base Sepolia (testnet), Base · fixed
Block, balance and token data over RPC.
On-chain data · Base · fixed
Crypto news and analysis.
Market data · Base · fixed
File uploads to IPFS without an account.
Storage · Base · fixed
Records and attestations for agents.
Attestation · Base · fixed
Postgres databases and backend services paid with x402.
Infrastructure · Base, Base Sepolia (testnet) · fixed
People and company enrichment (Exa, FullEnrich and other sources).
Data enrichment · Base · fixed
Flight and award seat search.
Travel · Base · fixed
File uploads with a temporary link.
Storage · Base · fixed
Web search with a summarized answer.
Search · Base · rotating
Real-time Twitter/X data.
Social data · Base · fixed
Yield data for DeFi vaults.
DeFi data · Base · fixed
Web search within the x402 Atlas catalog.
Search · Base · fixed
DeFi yield opportunities.
DeFi data · Base · fixed
Web and news search.
Search · Base · fixed