STAGINGThis is a preview of nitrograph.com. Actions here hit the production API.
Catalog

Every agent-payable API.

The companies you know, and thousands of endpoints your agent will discover. The catalog groups the network's 25,000+payable services under the companies that operate them — one company row can carry many service endpoints. Placement can't be bought.

All APIs

20,248 APIs
APICompanyCategoryPrice / callStatus
HivemindOS
Generate an SVG: draws an SVG from a text prompt: logos, icons and illustrations. $0.50 this call, in USDC on Base; you pay only if it succeeds. HivemindOS SuperAgent API.
hivemindos.app-$0.50listed
Hivemindos Service Router For Agents API
HivemindOS service router for agents: one paid call returns the full HivemindOS commercial catalog (crypto research, wallet risk, Reddit customer research, media, models, email) with live pricing plus every direct x402 purchase endpoint and exact request examples. Start here to discover what a HivemindOS agent stack can buy.
workers.dev-$0.01listed
Hl Liquidation Risk API
Hyperliquid BTC/ETH perpetual futures liquidation risk index: notional at risk if leveraged price moves ±1%/3%/5%, position closest to liquidation, biggest tracked position, funding rate
paidapis.net-$0.03listed
Hmac Blake2b512 Base64 API
Call when an agent needs an HMAC-blake2b512 of text with a caller-supplied key, encoded as base64. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/hmac-blake2b512-base64 first.
syntexa.ch-$0.01listed
Hmac Blake2b512 Base64url API
Call when an agent needs an HMAC-blake2b512 of text with a caller-supplied key, encoded as base64url. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/hmac-blake2b512-base64url first.
syntexa.ch-$0.001listed
Hmac Blake2b512 Hex API
Call when an agent needs an HMAC-blake2b512 of text with a caller-supplied key, encoded as hex. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/hmac-blake2b512-hex first.
syntexa.ch-$0.009listed
Hmac Blake2s256 Base64 API
Call when an agent needs an HMAC-blake2s256 of text with a caller-supplied key, encoded as base64. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/hmac-blake2s256-base64 first.
syntexa.ch-$0.008listed
Hmac Blake2s256 Base64url API
Call when an agent needs an HMAC-blake2s256 of text with a caller-supplied key, encoded as base64url. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/hmac-blake2s256-base64url first.
syntexa.ch-$0.009listed
Hmac Blake2s256 Hex API
Call when an agent needs an HMAC-blake2s256 of text with a caller-supplied key, encoded as hex. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/hmac-blake2s256-hex first.
syntexa.ch-$0.007listed
Hmac Md5 Base64 API
Call when an agent needs an HMAC-md5 of text with a caller-supplied key, encoded as base64. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/hmac-md5-base64 first.
syntexa.ch-$0.01listed
Hmac Md5 Base64url API
Call when an agent needs an HMAC-md5 of text with a caller-supplied key, encoded as base64url. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/hmac-md5-base64url first.
syntexa.ch-$0.001listed
Hmac Md5 Hex API
Call when an agent needs an HMAC-md5 of text with a caller-supplied key, encoded as hex. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/hmac-md5-hex first.
syntexa.ch-$0.009listed
Hmac Ripemd160 Base64 API
Call when an agent needs an HMAC-ripemd160 of text with a caller-supplied key, encoded as base64. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/hmac-ripemd160-base64 first.
syntexa.ch-$0.003listed
Hmac Ripemd160 Base64url API
Call when an agent needs an HMAC-ripemd160 of text with a caller-supplied key, encoded as base64url. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/hmac-ripemd160-base64url first.
syntexa.ch-$0.004listed
Hmac Ripemd160 Hex API
Call when an agent needs an HMAC-ripemd160 of text with a caller-supplied key, encoded as hex. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/hmac-ripemd160-hex first.
syntexa.ch-$0.002listed
Hmac Sha1 Base64 API
Call when an agent needs an HMAC-sha1 of text with a caller-supplied key, encoded as base64. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha1-base64 first.
syntexa.ch-$0.003listed
Hmac Sha1 Base64url API
Call when an agent needs an HMAC-sha1 of text with a caller-supplied key, encoded as base64url. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha1-base64url first.
syntexa.ch-$0.004listed
Hmac Sha1 Hex API
Call when an agent needs an HMAC-sha1 of text with a caller-supplied key, encoded as hex. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha1-hex first.
syntexa.ch-$0.002listed
Hmac Sha224 Base64 API
Call when an agent needs an HMAC-sha224 of text with a caller-supplied key, encoded as base64. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha224-base64 first.
syntexa.ch-$0.001listed
Hmac Sha224 Base64url API
Call when an agent needs an HMAC-sha224 of text with a caller-supplied key, encoded as base64url. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha224-base64url first.
syntexa.ch-$0.002listed
Hmac Sha224 Hex API
Call when an agent needs an HMAC-sha224 of text with a caller-supplied key, encoded as hex. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha224-hex first.
syntexa.ch-$0.01listed
Hmac Sha256 Base64 API
Call when an agent needs an HMAC-sha256 of text with a caller-supplied key, encoded as base64. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha256-base64 first.
syntexa.ch-$0.006listed
Hmac Sha256 Base64url API
Call when an agent needs an HMAC-sha256 of text with a caller-supplied key, encoded as base64url. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha256-base64url first.
syntexa.ch-$0.007listed
Hmac Sha256 Hex API
Call when an agent needs an HMAC-sha256 of text with a caller-supplied key, encoded as hex. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha256-hex first.
syntexa.ch-$0.005listed
Hmac Sha3 256 Base64 API
Call when an agent needs an HMAC-sha3-256 of text with a caller-supplied key, encoded as base64. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha3-256-base64 first.
syntexa.ch-$0.005listed
Hmac Sha3 256 Base64url API
Call when an agent needs an HMAC-sha3-256 of text with a caller-supplied key, encoded as base64url. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha3-256-base64url first.
syntexa.ch-$0.006listed
Hmac Sha3 256 Hex API
Call when an agent needs an HMAC-sha3-256 of text with a caller-supplied key, encoded as hex. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha3-256-hex first.
syntexa.ch-$0.004listed
Hmac Sha3 384 Base64 API
Call when an agent needs an HMAC-sha3-384 of text with a caller-supplied key, encoded as base64. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha3-384-base64 first.
syntexa.ch-$0.004listed
Hmac Sha3 384 Base64url API
Call when an agent needs an HMAC-sha3-384 of text with a caller-supplied key, encoded as base64url. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha3-384-base64url first.
syntexa.ch-$0.005listed
Hmac Sha3 384 Hex API
Call when an agent needs an HMAC-sha3-384 of text with a caller-supplied key, encoded as hex. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha3-384-hex first.
syntexa.ch-$0.003listed
Hmac Sha3 512 Base64 API
Call when an agent needs an HMAC-sha3-512 of text with a caller-supplied key, encoded as base64. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha3-512-base64 first.
syntexa.ch-$0.007listed
Hmac Sha3 512 Base64url API
Call when an agent needs an HMAC-sha3-512 of text with a caller-supplied key, encoded as base64url. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha3-512-base64url first.
syntexa.ch-$0.008listed
Hmac Sha3 512 Hex API
Call when an agent needs an HMAC-sha3-512 of text with a caller-supplied key, encoded as hex. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha3-512-hex first.
syntexa.ch-$0.006listed
Hmac Sha384 Base64 API
Call when an agent needs an HMAC-sha384 of text with a caller-supplied key, encoded as base64. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha384-base64 first.
syntexa.ch-$0.009listed
Hmac Sha384 Base64url API
Call when an agent needs an HMAC-sha384 of text with a caller-supplied key, encoded as base64url. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha384-base64url first.
syntexa.ch-$0.01listed
Hmac Sha384 Hex API
Call when an agent needs an HMAC-sha384 of text with a caller-supplied key, encoded as hex. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha384-hex first.
syntexa.ch-$0.008listed
Hmac Sha512 Base64 API
Call when an agent needs an HMAC-sha512 of text with a caller-supplied key, encoded as base64. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha512-base64 first.
syntexa.ch-$0.002listed
Hmac Sha512 Base64url API
Call when an agent needs an HMAC-sha512 of text with a caller-supplied key, encoded as base64url. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha512-base64url first.
syntexa.ch-$0.003listed
Hmac Sha512 Hex API
Call when an agent needs an HMAC-sha512 of text with a caller-supplied key, encoded as hex. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha512-hex first.
syntexa.ch-$0.001listed
Holder Distribution: node-operated on-chain service Executed deterministically by the AmanChain node against live consensus state (real blocks, pools, balances) — paid per call via x402, settled in US
Holder Distribution: node-operated on-chain service Executed deterministically by the AmanChain node against live consensus state (real blocks, pools, balances) — paid per call via x402, settled in USDC on Base. Input: JSON body {"serviceId":"aman-holder-stats","request":"<input>"}. No account, no API key.
workers.dev-$0.124414listed
Holdings API
Latest 13F filings (what billionaires/hedge funds are holding) via SEC EDGAR.
memoryapi.org-$0.05listed
HoldsUp
Published fact-checked episodes, newest first, with optional filters by category slug, show id or speaker slug. Paged.
holdsup.app-$0.01listed
HoldsUp
Site-wide tallies: published episodes, shows, checked claims and cited studies.
holdsup.app-$0.01listed
Holiday Calendar
List public holidays for country= + year= from Nager.Date (~110 countries). Marks national vs regional entries. Same source business-days uses — for agents that need the raw calendar.
com.tr-$0.002listed
Holiday Calendar API
Next official public holiday after a date for a supported country or regional subdivision.
x402atlas.com-$0.005listed
Holiday Calendar API
Add business days while skipping weekends and full-day Public or Bank holidays; Optional and HalfDay observances are retained.
x402atlas.com-$0.005listed
Holiday Calendar API
Official public holidays by country and year, with regional subdivisions, localized names and normalized dates.
x402atlas.com-$0.005listed
Holiday Calendar API
Holiday date check by country or subdivision — determine whether one ISO date is an official public holiday.
x402atlas.com-$0.005listed
Holiday Calendar API
Business-day count excluding weekends and full-day Public or Bank holidays; Optional and HalfDay observances remain business days.
x402atlas.com-$0.005listed
Holidays API
Returns official public holidays for a given country and year.
dt0ur.online-$0.01listed
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