x402 crypto intelligence

Fetch Sentry Risk

Paid risk checks for wallets, tokens, and contracts. The API scores live DEX liquidity, market age, pool concentration, proxy slots, admin surfaces, and basic onchain address signals.

Run Free Token Preview Run Free Wallet Preview Run Free Contract Preview Run Free Token Batch Preview Buyer Quickstart Buyer Example Full Response Examples OpenAPI Pricing JSON llms.txt

GET /token-preview

Free short risk summary with liquidity, age, and top flags before upgrade.

Free

GET /wallet-preview

Free wallet snapshot with address type, nonce band, and top heuristic flags.

Free

GET /contract-preview

Free contract snapshot with upgrade/admin signals and visible risk flags.

Free

GET /token-batch-preview

Free batch token triage with high-risk counts and priority tokens before upgrade.

Free

GET /wallet-batch-preview

Free batch wallet triage with contract-control matches before paid batch analysis.

Free

GET /contract-batch-preview

Free batch contract triage with upgradeable and EOA-controlled counts before upgrade.

Free

GET /wallet-profile

Nonce, native balance, account type, and fresh-address heuristics.

$0.01

GET /token-risk

Liquidity, volume, age, FDV-to-liquidity, pool concentration, and metadata signals.

$0.03

GET /contract-redflags

Proxy/admin detection, upgradeability surfaces, pause controls, and mint surfaces.

$0.05

Batch Routes

Paid batch endpoints scan up to 5 wallets, tokens, or contracts per request for agent pipelines.

$0.03 / $0.08 / $0.12

Examples

curl -sS "https://risk.fetch-sentry.online/token-preview?token=0xcbb7c0000ab88b473b1f5afd9ef808440eed33bf&chain=base"

curl -sS "https://risk.fetch-sentry.online/wallet-preview?address=0x2aBA0C08b02BA17fCF66A423f97A70fd04245321&chain=base"

curl -sS "https://risk.fetch-sentry.online/contract-preview?address=0xcbb7c0000ab88b473b1f5afd9ef808440eed33bf&chain=base"

curl -i "https://risk.fetch-sentry.online/wallet-profile?address=0x2aBA0C08b02BA17fCF66A423f97A70fd04245321&chain=base"

curl -i "https://risk.fetch-sentry.online/token-risk?token=0xcbb7c0000ab88b473b1f5afd9ef808440eed33bf&chain=base"

curl -i "https://risk.fetch-sentry.online/contract-redflags?address=0xcbb7c0000ab88b473b1f5afd9ef808440eed33bf&chain=base"

curl -i "https://risk.fetch-sentry.online/wallet-batch?addresses=0x2aBA0C08b02BA17fCF66A423f97A70fd04245321,0x4200000000000000000000000000000000000006&chain=base"

Buyer Flow

npm install @x402/fetch @x402/evm @x402/core viem
curl -sS "https://risk.fetch-sentry.online/buyer-quickstart.txt"
# then run the TypeScript example from:
# https://risk.fetch-sentry.online/buyer-example.ts

Full Response Examples

curl -sS "https://risk.fetch-sentry.online/examples/wallet-profile.json"
curl -sS "https://risk.fetch-sentry.online/examples/wallet-batch.json"
curl -sS "https://risk.fetch-sentry.online/examples/token-risk.json"
curl -sS "https://risk.fetch-sentry.online/examples/token-batch.json"
curl -sS "https://risk.fetch-sentry.online/examples/contract-redflags.json"
curl -sS "https://risk.fetch-sentry.online/examples/contract-batch.json"

Notes

These outputs are explainable heuristics. They help route attention and automate first-pass checks, but they are not financial advice or a replacement for manual review.