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 23,500+payable services under the companies that operate them — one company row can carry many service endpoints. Placement can't be bought.

All APIs

18,812 APIs
APICompanyCategoryPrice / callStatus
Elements Live
The chemical elements most associated with one research topic.
elements-live.com-$0.10listed
Elements Live
Top papers driving an element's research intensity (title, DOI, venue, year, citations).
elements-live.com-$0.02listed
Elven city names
Elven city names: Lyrical city names for forest, coastal, and high-fantasy settings.
datapackvibe.com-$0.02listed
Email API
Validate an email address and check whether an email domain can receive mail. Verifies email syntax and performs a live MX and A DNS lookup to return a deliverability verdict, the mail servers (MX hosts) and whether the domain accepts email. Fast email address validation and verification for signup forms, lead lists and contact data cleaning.
aventtech.com-$0.003listed
Email Authentication Posture For A Domain API
Email-authentication posture for a domain: SPF record and policy, DMARC policy and alignment, DKIM selector presence. Use it to judge whether mail claiming to be from a counterparty can be trusted. Live DNS.
chainverdict.xyz-$0.01listed
Email Domain DNS Readiness
Email Domain DNS Readiness: Check one email address for common syntax and DNS mail routing, including null MX and implicit MX fallback. Returns a timestamped report. Does not verify mailbox existence or deliverability; no email is sent. 0.01 USDC includes one email domain check.
datapackvibe.com-$0.01listed
Email Finder API
Find the most likely email address from a domain name, first name, and last name.
orthogonal.com-$0.01listed
Email SPF Alignment Check: Email SPF Alignment Check checks relaxed or strict SPF domain alignment from bounded caller-supplied values without an external provider. Call Email SPF Alignment Check befo
Email SPF Alignment Check: Email SPF Alignment Check checks relaxed or strict SPF domain alignment from bounded caller-supplied values without an external provider. Call Email SPF Alignment Check before accepting, caching, redirecting, or retrying a caller-supplied web response. Returns normalized web evidence, the computed finding, and an explicit pass or advisory status for Email SPF Alignment Check as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base. First-party, stateless,…
delx.ai-$0.001listed
Email Search API
Find a professional email address by providing a first name, last name, and domain or company name. Returns a search ID to poll for results via the Fetch Search Result endpoint. Async: status progresses NONE → SCHEDULED → IN_PROGRESS → DEBITED (found) or NOT_DEBITED (not found).
orthogonal.com-$0.01listed
Email Syntax API
Call when an agent needs email syntax checked (no SMTP). No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/email-syntax first.
syntexa.ch-$0.001listed
Email Validate
Validate an email address using syntax, MX, disposable-domain, role-account, and domain-risk checks. Returns structured validation data for agent workflows, signup hygiene, and lead-quality checks. Does not guarantee that an individual mailbox exists.
railway.app-$0.001listed
Email Validate API
Check whether an email address is well-formed and its domain can actually receive mail — RFC-style syntax check plus a live MX (falling back to A) lookup — returning the parsed domain, sorted mail hosts, and a deliverable flag. Answers "is this email address real" and "will mail sent here bounce" without probing the mailbox itself. Use for lead cleaning, signup validation, and contact verification. Nothing stored.
forgemesh.io-$0.003listed
Email Validation + MX: email validation: syntax, DNS MX records, disposability Executed deterministically by the AmanChain node against live consensus state (real blocks, pools, balances) — paid per c
Email Validation + MX: email validation: syntax, DNS MX records, disposability 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-email-validate","request":"<input>"}. No account, no API key.
workers.dev-$0.001244listed
Email Validation API
Email validation — Syntax check + live MX/deliverability + disposable-domain flag.
workers.dev-$0.001listed
Email Validation API
Email validation — syntax check plus live MX record DNS lookup to confirm deliverability.
ai-rook.com-$0.001listed
Email Validation API
Email validation and email list cleaning. Checks each email address for RFC syntax, a live MX record lookup returning the real mail hosts, disposable-domain detection, role-account flags (info@, sales@, noreply@), and a free-provider flag, rolled into a per-address ok/risky/invalid verdict with reasons. Batch up to 25 email addresses per call. Domain-level DNS only, no SMTP mailbox probe. Keyless.
kadec0.xyz-$0.03listed
Email Verifier & Validator
Takes one email address and tells you whether it can actually receive mail. Returns a verdict of valid, invalid, or risky, splits the address into username and domain, and flags free providers and role accounts like admin@ or support@. One address per call.
underscoredone.com-$0.01listed
Email Verify
Syntax + live DNS (MX/A) + disposable, role and consumer-mailbox detection, as one GO / HOLD / STOP verdict with the reasons listed. Catches throwaway inboxes, support@-style shared mailboxes and one-character domain typos (gmial.com). No SMTP probe, so mailbox existence is not claimed.
com.tr-$0.02listed
Email address check
Scores one email address 0-100 with a verdict (ok, risky, disposable, undeliverable, invalid) and the evidence under it: every point lost is itemised with the field that proves it. 12,141 disposable domains from two maintained open lists pinned to a commit, 4,897 free providers, 1,018 role names, typo fix (gmial.com > gmail.com), live MX/SPF/DMARC. No SMTP probe, no API key.
workers.dev-$0.005listed
Email authentication
Evaluate an SPF record against an IPv4/IPv6 address using only its literal ip4/ip6/all mechanisms. DNS-dependent mechanisms (include, a, mx, exists, redirect) reached before a match yield an honest `indeterminate` result rather than a guess.
openverbs.com-$0.004listed
Email security checks — spoofing, DMARC, SPF.
Email security checks — spoofing, DMARC, SPF.
minia2a.uk-$0.01listed
Email/domain Deliverability Check API
Email/domain deliverability check: MX, provider, SPF, DMARC policy, disposable flag — Genesis402 / UnyKorn Operator Network
unykorn.org-$0.002listed
Embeddings API
OpenAI-compatible text embeddings over x402 (768-dim, up to 32 inputs per call) — Genesis402 / UnyKorn Operator Network
unykorn.org-$0.002listed
Emboss
Fill a PDF form using facts found in supporting documents. Also: fill a PDF form from DOCX, spreadsheets, images, JSON, or other documents; pre-fill a government form from supporting paperwork; complete an application from a resume or company details; extract answers from context documents into a form. Price scales with page count; this 402 carries the exact amount for the PDF sent.
getemboss.ai-$0.07listed
Emboss
Fill a PDF form from structured data such as JSON or key-value answers. Also: fill a PDF form from JSON; populate form fields from data; complete a PDF application from known values; write answers into a form. Price scales with page count; this 402 carries the exact amount for the PDF sent.
getemboss.ai-$0.07listed
Emboss
Turn a flat or scanned PDF form into a fillable PDF with detected fields. Also: detect form fields in a PDF; add fillable fields to a document; extract a PDF form schema; make a government or business form fillable. Price scales with page count; this 402 carries the exact amount for the PDF sent.
getemboss.ai-$0.05listed
Emission Factor API
Selects a published emissions factor by activity, region and source edition. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disclose source, time window and age. This is neither legal advice nor customs advice.
halowerk.com-$0.003listed
Emission Trend API
Hourly emission and stake trend for a Bittensor subnet (window: 1h/24h/7d/30d). Derived from bittensor_metagraph snapshots. AI agent API for subnet-momentum tracking. Informational research data — not investment advice.
carbon-cashmere.de-$0.02listed
Employee Ranges API
Get available employee range values for lookalikes filtering.
orthogonal.com-$0.005listed
Enchanted relic names
Enchanted relic names: Names for magical heirlooms, artifacts, and quest rewards.
datapackvibe.com-$0.02listed
Encode And Decode Text API
Encode and decode text: base64, hex and URL-encoding, both directions. POST JSON {"text": "…", "op": "base64"} where op is base64|base64d|hex|hexd|url|urld. Pure computation, nothing stored, no cache.
higgsfield.app-$0.02listed
Encode And Decode Text API
Encode and decode text: base64, hex and URL-encoding, both directions. POST JSON {"text": "…", "op": "base64"} where op is base64|base64d|hex|hexd|url|urld. Pure computation, nothing stored, no cache.
higgsfield.app-$0.001listed
Encode Morse code
Encode text into international (ITU) Morse code. Letters are separated by spaces and words by "/". Supports A-Z, 0-9 and common punctuation; unsupported characters are clean 400s.
openverbs.com-$0.002listed
Encode text
Encode a UTF-8 string into base64, base64url, hex, base32, or URL percent-encoding.
openverbs.com-$0.002listed
Encounter density calculator
Encounter density calculator: Estimate encounter count for route length and spacing.
datapackvibe.com-$0.01listed
Encounter table generator
Encounter table generator: Create a compact encounter table for a named region or travel route.
datapackvibe.com-$0.02listed
Encyclopedia Summary API
Encyclopedia summary API: the lead summary of any English-language encyclopedia article — title, one-line description, extract paragraph, thumbnail, and canonical URL — as JSON. For entity enrichment, fact grounding, and knowledge agents. CC BY-SA content with attribution included.
forgemesh.io-$0.003listed
Encyclopedic Grounding In One Call API
Encyclopedic grounding in one call: Wikipedia search plus the full summary of the best match — extract, short description, canonical URL, thumbnail — in any of 300+ language editions. Official Wikimedia REST APIs, CC BY-SA attribution included. The cheapest way for an agent to ground an entity before reasoning about it.
agentbit.app-$0.005listed
End To End Smoke Test For X402 Clients API
End-to-end smoke test for x402 clients: returns a greeting plus the settlement timestamp, so an agent can prove its payment path works before spending on real data.
open-pay.jp-$0.001listed
Endpoint Of The Day API
Endpoint-of-the-day picker for the ForgeMesh x402 fleet: every UTC day one of 500+ paid routes across 11 services is featured with its price, description, input schema, example output, and payment instructions. Rotation is deterministic — no randomness, no repeats until the whole pool has had its day. Optional date (YYYY-MM-DD) to preview a specific day's pick.
forgemesh.io-$0.001listed
Enemy attack telegraph planner
Enemy attack telegraph planner: Generate readable enemy tells paired with a matching attack response.
datapackvibe.com-$0.02listed
Enemy stat scaling
Enemy stat scaling: Scale enemy health and damage for a target player level.
datapackvibe.com-$0.01listed
Energy Certificate API
Subtracts exported energy from supplied site energy, divides by conditioned floor area and selects the first caller-supplied ascending maximum-intensity band. It does not normalize climate or occupancy, convert primary energy, audit meters or issue a legally recognized energy certificate.
halowerk.com-$0.002listed
EnergyCatalyst
US energy inventory catalyst signal + EIA report calendar (optional ?report=)
lonestaroracle.xyz-$0.05listed
Enforcement API
FDA recall and enforcement records across drug, device and food, normalised into one shape with classification, reason, distribution scope and firm. Queryable by firm, product, classification and date. One product type returning nothing never fails the call — the three openFDA endpoints are independent and a gap in one is not a gap in the others.
workers.dev-$0.01listed
English Image to Text
English Image to Text: Read printed English text from one base64 PNG, up to 600 KB and 4 million pixels. Returns text and an OCR confidence score. Local Tesseract engine; recognition may contain errors. No handwriting guarantee or PDF input. 0.01 USDC includes one PNG image.
datapackvibe.com-$0.01listed
Enrich API
Enrich a company by NAME or a social URL (name, linkedinUrl, twitterUrl, etc.). At least one field is required. This variant does NOT accept a domain — to enrich by website domain use GET /companies/enrich?domain=example.com instead.
orthogonal.com-$0.01225listed
Enrich API
Get complete organization info by Apollo organization ID.
orthogonal.com-$0.01listed
Enrich API
Enrich an email address with person and company data (name, location, social handles).
orthogonal.com-$0.01listed
Enrich API
Enrich a person by name, email, phone, LinkedIn URL, or other identifiers. Returns full profile with work history, education, skills, and social profiles.
orthogonal.com-$0.35listed
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