MemoryAPI Landing Page
externalx402-powered APIs for AI agents: persistent semantic memory, document search, and translation. Pay per query in USDC on Base mainnet. MCP compatible.
Price
from $0.0010
up to $0.0500 per request
Network
base
Category
ai
On-chain txns
59
Uptime
100%
Avg latency
335ms
Checks
77
Status
Healthy
Base URL
Endpoints (50)
Discovered from on-chain x402 payment activity. Prices shown are per-call in USDC.
Drug/compound data from PubChem (NIH) — CID, IUPAC name, molecular formula, molecular weight, SMILES, InChI, description, and synonyms.
Drug label, safety info, adverse events, and recall data from OpenFDA — indications, warnings, dosage, interactions.
Drug target and bioactivity data from ChEMBL (EMBL-EBI) — ChEMBL ID, max clinical phase, molecular properties, indication class.
ClinicalTrials.gov — aggregate statistics for a condition: counts by status, phase, and top sponsors.
ClinicalTrials.gov — get full details of a specific trial by NCT ID including eligibility, outcomes, and locations.
ClinicalTrials.gov — search clinical trials by condition, intervention, sponsor, status, or phase.
Cancel an active cron schedule to stop future executions.
Semantically search within an uploaded document using natural language
Upload and ingest a PDF, TXT, or Markdown document for semantic search
Energy price data from EIA. WTI crude oil, Brent crude, natural gas (Henry Hub), and U.S. retail gasoline prices.
U.S. CPI inflation data from BLS. Tracks all items, core, food, energy, shelter, and medical care indices.
U.S. labor market data from BLS. Unemployment rate, nonfarm payrolls, job openings, quits rate, and wages.
Macroeconomic indicators from FRED (St. Louis Fed). GDP, Fed funds rate, Treasury yields, housing starts, retail sales.
Eurostat EU economic statistics — GDP, inflation, unemployment, and trade data for EU member states.
ECB monetary data — M3 money supply for the Euro Area or TARGET2 interbank balances.
ECB exchange rates for EUR against major currencies, or ECB key interest rates.
Get structured financial data from SEC XBRL filings — revenue, net income, EPS, assets, and more.
Get 8-K material event filings — M&A activity, leadership changes, earnings releases, and other material disclosures.
Get insider trading activity (Form 4) — executive and director stock purchases and sales.
List recent SEC filings for any public company. Filter by form type (10-K, 10-Q, 8-K, 4, etc).
Compare nutrition between multiple foods side-by-side by USDA FDC IDs.
Full nutrition profile for a specific food by USDA FDC ID — macros, vitamins, minerals.
Search USDA FoodData Central — find foods by name with nutrition macros.
Forward and reverse geocoding via OpenStreetMap Nominatim. Convert addresses to coordinates or coordinates to addresses.
Timezone lookup by coordinates, IP address, or country code/name. Includes country details.
Current weather conditions and multi-day forecast for any location. Powered by Open-Meteo.
IMF GDP & macroeconomic indicators — GDP growth, inflation, government debt, current account, GDP per capita for 180+ countries.
OECD country comparison data — long-term interest rates, trade balance, and CPI for G7 and major economies.
World Bank development indicators — GDP, population, inflation, unemployment, GDP per capita, Gini index for major economies.
WHO Global Health Observatory — life expectancy, obesity, alcohol, air pollution by country.
NIH research grants — funded projects with award amounts, PIs, organizations, and abstracts. Filter by query, fiscal year, and institution.
Human Protein Atlas — gene/protein expression by tissue and brain region.
ClinVar genetic variants — pathogenic/benign variants for any gene with clinical significance and conditions.
Get detailed information about a specific court case or docket by ID or name.
Find all federal court cases involving a specific company — antitrust, securities, IP, employment, and more.
Search federal court opinions and cases via CourtListener / RECAP Archive.
Store a memory for an AI agent
NASA Astronomy Picture of the Day — daily space imagery with title and explanation.
NASA DONKI space weather — solar flares, coronal mass ejections (CME), and geomagnetic storms.
NASA Near Earth Objects — asteroid tracking data including size, hazard status, closest approach distance and velocity.
Search The Guardian news articles with optional section and date filtering.
Hacker News top stories — titles, URLs, scores, authors, and comment counts.
Trending news combining Hacker News and The Guardian for a given topic.
Get detailed information for a specific Polymarket prediction market including prices, outcomes, and trading volume.
Browse Polymarket prediction markets. Filter by category (crypto, politics, sports, economics, science, entertainment, pop-culture), search by keyword, or set limit.
Get what prediction markets are betting on right now. Trending markets from Polymarket and Manifold by volume/liquidity.
US housing market indicators — housing starts, permits, home prices, mortgage rates, Case-Shiller index.
US home price data — national median (FRED) or metro-level Zillow ZHVI. YoY change and 12-month history.
US rental market data — BLS rent CPI indices from FRED. National rent index, YoY change.
Translate text between 11 languages — EN ES FR DE IT PT ZH JA AR RU KO
Payment
How to call
# one-time setup
npx @apihubio/cli register
npx @apihubio/cli topup 10
# call it
npx @apihubio/cli call https://api.memoryapi.org \
-X POST \
-d '{ /* check provider docs for input */ }'
# or save it to Claude/Cursor/Codex
npx @apihubio/cli install
npx @apihubio/cli add https://api.memoryapi.orgVia direct x402 (advanced)Bring your own wallet
import { wrapFetchWithPayment } from "@x402/fetch";
import { createWalletClient, http } from "viem";
import { privateKeyToAccount } from "viem/accounts";
import { base } from "viem/chains";
const account = privateKeyToAccount("0xYOUR_PRIVATE_KEY");
const client = createWalletClient({ account, chain: base, transport: http() });
const x402Fetch = wrapFetchWithPayment(client);
const res = await x402Fetch("https://api.memoryapi.org", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ /* check provider docs for input */ }),
});
const data = await res.json();This is an external service not operated by APIHub. Listing data is sourced from public on-chain records and third-party indexes. Payment goes directly to the service provider via the x402 protocol. APIHub does not guarantee availability, accuracy, or quality of external services.