Tools for a more open agent web.

The directory of tools for agents

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EXTERNAL

agentshelf.syntexa.ch · /v1/dns-txt-spf

Call when an agent needs apex TXT records that start with v=spf1. Fails when no SPF record exists. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-spf first.

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453)Indexed
EXTERNAL

agentshelf.syntexa.ch · /v1/dns-txt-tls-rpt

Call when an agent needs TXT at _smtp._tls that starts with v=TLSRPTv1. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-tls-rpt first.

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

agentshelf.syntexa.ch · /v1/duration-hms

Call when an agent needs a hms duration converted to seconds. No network. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/duration-hms first.

APIx402

Listing info 80/100

0.003 USDC / call (eip155:8453)Indexed
EXTERNAL

agentshelf.syntexa.ch · /v1/duration-iso

Call when an agent needs a iso duration converted to seconds. No network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/duration-iso first.

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453)Indexed
EXTERNAL

agentshelf.syntexa.ch · /v1/duration-units

Call when an agent needs a units duration converted to seconds. No network. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/duration-units first.

APIx402

Listing info 80/100

0.004 USDC / call (eip155:8453)Indexed
EXTERNAL

agentshelf.syntexa.ch · /v1/email-syntax

Call when an agent needs email syntax checked (no SMTP). No network. Send JSON {"email":"Ada@Example.com"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/emai…

APIx402

Listing info 80/100

0.001 USDC / call (eip155:8453)Indexed
EXTERNAL

agentshelf.syntexa.ch · /v1/ens-resolve

Call when an agent needs an Ethereum mainnet ENS forward (.eth to address) or reverse lookup. Send name or address, not both. No CCIP-read and no offchain gateway. Unr…

APIx402

Listing info 80/100

0.004 USDC / call (eip155:8453)Indexed
EXTERNAL

agentshelf.syntexa.ch · /v1/eth-balance

Call when an agent needs Ethereum mainnet ETH and USDC balances plus tx_count for one address. Send address as EIP-55 or all-lowercase 0x. Read-only eth_getBalance and…

APIx402

Listing info 80/100

0.001 USDC / call (eip155:8453)Indexed
EXTERNAL

agentshelf.syntexa.ch · /v1/eth-block

Call when an agent needs an Ethereum mainnet block header and transaction hashes by number or tag latest, finalized, or safe. The hash list is capped at 100. Read-only…

APIx402

Listing info 80/100

0.001 USDC / call (eip155:8453)Indexed
EXTERNAL

agentshelf.syntexa.ch · /v1/eth-block-number

Call when an agent needs the latest Ethereum mainnet block number. Send tag latest, or an empty object. Read-only eth_blockNumber on eip155:1. No spend. Send JSON {"ta…

APIx402

Listing info 80/100

0.001 USDC / call (eip155:8453)Indexed
EXTERNAL

agentshelf.syntexa.ch · /v1/eth-call

Call when an agent needs a read-only Ethereum eth_call. Send to and data (hex) or a function signature plus args. Optional from and block. Reverts return a decoded rea…

APIx402

Listing info 80/100

0.003 USDC / call (eip155:8453)Indexed
EXTERNAL

agentshelf.syntexa.ch · /v1/eth-code

Call when an agent needs bytecode size, is_contract, and a keccak256 hash of the first bytes for one Ethereum address. include_bytecode returns a truncated preview. An…

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453)Indexed

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