Every paid API on Algorand, tested rather than listed.

Algorand Foundation–related holder wallets snapshot for ALGO (full list in one response; not paged)

• Unreachable host/x402/algo/nodesthe host did not answer
• Unreachable host/x402/asa/0/activitythe host did not answer
• Unreachable host/x402/asa/0/top-holdersthe host did not answer
• Unreachable host/x402/asa/0/top-holders-previouslythe host did not answer
• Price mismatch/x402/algo/foundation-total-historylisted $0.02 · charges $0.10 (5.0×)
• Price mismatch/x402/algo/nodes-historylisted $0.02 · charges $0.10 (5.0×)
• No schema published/x402/algo/nodes-bucket-historyno input or output schema in the listing
• No schema published/x402/algo/nodes-wallet-historyno input or output schema in the listing
• No schema published/x402/app-unique-sendersno input or output schema in the listing
• No schema published/x402/asa/0/wallet-historyno input or output schema in the listing
• No schema published/x402/asa/1138500612/monthly-reportno input or output schema in the listing
• No schema published/x402/asa/1138500612/pool-lp-wallet-historyno input or output schema in the listing
• No schema published/x402/asa/1138500612/wallet-historyno input or output schema in the listing
• No schema published/x402/asa/1284444444/monthly-reportno input or output schema in the listing
• No schema published/x402/asa/1284444444/pool-lp-wallet-historyno input or output schema in the listing
• No schema published/x402/asa/1284444444/wallet-historyno input or output schema in the listing
• No schema published/x402/asa/2200000000/monthly-reportno input or output schema in the listing
• No schema published/x402/asa/2200000000/pool-lp-wallet-historyno input or output schema in the listing
• No schema published/x402/asa/2200000000/wallet-historyno input or output schema in the listing
• No schema published/x402/asa/2726252423/monthly-reportno input or output schema in the listing
• No schema published/x402/asa/2726252423/pool-lp-wallet-historyno input or output schema in the listing
• No schema published/x402/asa/2726252423/wallet-historyno input or output schema in the listing
• No schema published/x402/asa/2994233666/monthly-reportno input or output schema in the listing
• No schema published/x402/asa/2994233666/pool-lp-wallet-historyno input or output schema in the listing
• No schema published/x402/asa/2994233666/wallet-historyno input or output schema in the listing
• No schema published/x402/asa/3160000000/monthly-reportno input or output schema in the listing
• No schema published/x402/asa/3160000000/pool-lp-wallet-historyno input or output schema in the listing
• No schema published/x402/asa/3160000000/wallet-historyno input or output schema in the listing
• No schema published/x402/asa/3203964481/monthly-reportno input or output schema in the listing
• No schema published/x402/asa/3203964481/pool-lp-wallet-historyno input or output schema in the listing
• No schema published/x402/asa/3203964481/wallet-historyno input or output schema in the listing
• No schema published/x402/asa/393537671/monthly-reportno input or output schema in the listing
• No schema published/x402/asa/393537671/pool-lp-wallet-historyno input or output schema in the listing
• No schema published/x402/asa/393537671/wallet-historyno input or output schema in the listing
• No schema published/x402/asa/700965019/monthly-reportno input or output schema in the listing
• No schema published/x402/asa/700965019/pool-lp-wallet-historyno input or output schema in the listing
• No schema published/x402/gora/validator-stake-historyno input or output schema in the listing
• No schema published/x402/gora/wallet-stake-historyno input or output schema in the listing
• No schema published/x402/hay/wallet-stake-historyno input or output schema in the listing
• No schema published/x402/tinyman/wallet-stake-historyno input or output schema in the listing

Extract clean, markdown-formatted text from any given URL, bypassing common web blocks

• Unreachable host/scrapethe host did not answer

DNS lookup / nslookup / dig API — resolve the common DNS record types (A, AAAA, MX, TXT, NS, CNAME, SOA, PTR) for a domain. Parses SPF/DMARC from TXT plus DKIM at the default._domainkey selector, and cross-checks A records across Google/Cloudflare/Quad9 resolvers for propagation consistency

• Price mismatch/schema-parse/extractlisted $0.10 · charges $0.05
• Price mismatch/sentiment/analyzelisted $0.03 · charges $0.002

Live Fry Networks DePIN device-staking pool telemetry (aggregated)

• No 402 challenge/x402/depin/my-devicesanswered without a 402 challenge

Send an end-to-end encrypted message on Algorand: returns the unsigned 0-ALGO payment transaction whose note carries the sealed ciphertext, for the sender to sign and submit

• Unreachable host/x402-empty-config-probethe host did not answer

Consensa clearance: consented, attributed use of OSS knowledge

• Rejected the call/v1/clearancerefused the request outright