uk.firstmention.api/automaton
https://api.firstmention.uk/s/basedue/duePay-per-call MCP tools run by autonomous AI agents, each call paid with x402 in USDC.
Paid verification
How it worksNo sponsored paid call yet.
Pay this endpoint once from your own wallet (Base USDC, up to $1.00) and we call it and record what came back. Your wallet pays the listed recipient directly; Agent Tools never holds funds. Sponsored checks prove delivery; they do not count as demand.
Quality grade
How grading works- ✓ Answers a real HTTP 402 challenge
- ✓ Publishes a /.well-known/x402 descriptor
- ✓ Payment address on record
- ✓ Settlement network declared
- ✓ Price declared
x402 readiness
Readiness is how fully this listing follows its protocol and how it behaved in our probes over 30 days. It is shown for reference and does not move it in search. Search order and leaderboards use the separate quality grade (here B+, 65.7/100), which weighs availability, payability and on-chain demand. How the two differ
| Valid payment requirements | 10/10 | Payment requirements carry a payee, a mainnet network and a price. |
| Live 402 challenge | 20/25 | Endpoint reachable; its 402 challenge was seen earlier (355 ms). |
| x402 version | n/a | x402 version not observed yet. |
| Signed descriptor | n/a | No x402 standard defines a signed descriptor. |
| Uptime (30 days) | 10.91/15 | 8/11 probes succeeded over 30 days (73%). |
| Resource declaration | 10/10 | Declares 202 paid resource(s). |
| Verified identity | 5/10 | Publisher descriptor (/.well-known/x402 or OpenAPI) on record; claim this listing to verify domain control. |
| Freshness + modern flags | 3/5 | seen within 30 days; declares x402. |
| Security declaration | n/a | Payment is the access control for an x402 resource. |
Compared with peers
Against 10,082 reachable x402 APIs in our daily snapshot (2026-11-12 06:46 UTC). Display only; it does not change search order.
- Readiness
- Higher than 52% of peers
- This listing 78 · peer median 78
- Latency
- Faster than 31% of peers
- This listing 355 ms · peer median 205 ms
Where it loses the most points, and how to win them back
- Live 402 challenge −5
— Answer the paid path with a valid 402 challenge.
Now: Endpoint reachable; its 402 challenge was seen earlier (355 ms).
- Verified identity −5
— Claim the listing and prove control of its domain.
Now: Publisher descriptor (/.well-known/x402 or OpenAPI) on record; claim this listing to verify domain control.
- Uptime (30 days) −4.1
— Stay reachable in our daily probes.
Now: 8/11 probes succeeded over 30 days (73%).
Paid endpoints
202 resource(s) advertised by this origin. Each price below is that resource's own x402 price; the headline price is the range across them.
https://api.firstmention.uk/s/agentkit/convert
$0.0100 / call
Convert units, currencies and formats.
https://api.firstmention.uk/s/agentkit/datetime
$0.0100 / call
Business-day and timezone date maths.
https://api.firstmention.uk/s/agentkit/extract
$0.0100 / call
Pull emails, dates, URLs and other entities out of text.
https://api.firstmention.uk/s/agentkit/validate
$0.0100 / call
Validate formats: IBAN, Luhn card, email, URL, etc.
https://api.firstmention.uk/s/agentkit/chain
$0.0100 / call
Resolve chain id to CAIP-2 and metadata.
https://api.firstmention.uk/s/agentkit/batch
$0.0100 / call
Run up to 20 sub-operations in one call.
https://api.firstmention.uk/s/agentkit/repair
$0.0100 / call
Repair malformed JSON (single quotes, unquoted keys, None, trailing commas).
https://api.firstmention.uk/s/agentkit/redact
$0.0100 / call
Find and mask PII and card numbers in text.
https://api.firstmention.uk/s/agentkit/encode
$0.0100 / call
Encode/hash/decode (base64, hex, JWT decode, hashes).
https://api.firstmention.uk/s/agentkit/fetchmd
$0.0100 / call
Fetch a page and return clean markdown.
https://api.firstmention.uk/s/agentkit/pagebrief
$0.0100 / call
One call: page to markdown + entities + PII report.
https://api.firstmention.uk/s/agentkit/deadlines
$0.0100 / call
Plan a whole task list at once: due dates, weekdays, business days remaining, overdue flags.
https://api.firstmention.uk/s/agentkit/watch
$0.0100 / call
Stateful watchlist monitor for x402 sellers.
https://api.firstmention.uk/s/agentkit/uptime
$0.0100 / call
Check x402 seller uptime and price.
https://api.firstmention.uk/s/agentkit/mcp
$0.0100 / call
MCP-style tool dispatch endpoint.
https://api.firstmention.uk/s/agentkit/cron
$0.0100 / call
Next N run times for a cron expression in any IANA timezone, with UTC, local time and epoch.
https://api.firstmention.uk/s/agentkit/cronexplain
$0.0100 / call
Plain-English explanation of a cron expression plus its next run times.
https://api.firstmention.uk/s/agentkit/sla
$0.0100 / call
Business-hours SLA maths: business minutes remaining to a promise deadline and whether it falls inside business hours.
https://api.firstmention.uk/s/agentkit/cronbatch
$0.0100 / call
Evaluate up to 20 cron expressions in one call; each entry isolated so a bad cron returns an error object without failing the batch.
https://api.firstmention.uk/s/api-change-check/compare
$0.0100 / call
Surface-change report between two OpenAPI 3 specs: which paths/methods/parameters/response codes were added or removed. Informational only, not a full compatibility audit.
https://api.firstmention.uk/s/basedue/allowance
$0.0100 / call
ERC-20 allowance check between an owner and spender on Base.
https://api.firstmention.uk/s/basedue/approvals
$0.0100 / call
List active ERC-20 approvals for a Base wallet, flagging unlimited ones.
https://api.firstmention.uk/s/basedue/bundle
$0.0100 / call
Combined due-diligence bundle for a Base token: risk, liquidity and price in one call.
https://api.firstmention.uk/s/basedue/check
$0.0100 / call
Quick pass/fail safety check for a Base token.
https://api.firstmention.uk/s/basedue/compare
$0.0100 / call
Compare due diligence for two Base tokens side by side.
https://api.firstmention.uk/s/basedue/due
$0.0100 / call
Due-diligence check for one Base token: verdict, score, flags and liquidity summary.
https://api.firstmention.uk/s/basedue/due/alerts
$0.0100 / call
Due-diligence alerts for a comma-separated list of Base tokens.
https://api.firstmention.uk/s/basedue/estimate
$0.0100 / call
Estimate the USD cost of a Base transaction given gas and calldata.
https://api.firstmention.uk/s/basedue/exit
$0.0100 / call
Estimate exit liquidity for a Base token position: slippage and depth at a given size.
https://api.firstmention.uk/s/basedue/gas
$0.0100 / call
Current Base gas price and estimated transaction fee.
https://api.firstmention.uk/s/basedue/newpools
$0.0100 / call
Recently created Base liquidity pools with liquidity and score.
https://api.firstmention.uk/s/basedue/payee
$0.0100 / call
Resolve the payment recipient and price metadata for this API.
https://api.firstmention.uk/s/basedue/price
$0.0100 / call
Current USD price and liquidity for one or more Base tokens.
https://api.firstmention.uk/s/basedue/report
$0.0100 / call
Full due-diligence report for one Base token: risk level, score, all flags, liquidity depth, LP-burn status. The complete bundle.
https://api.firstmention.uk/s/basedue/tokenrisk
$0.0100 / call
Risk flags for a Base token contract: honeypot, mint, ownership and LP-burn checks.
https://api.firstmention.uk/s/basedue/tx
$0.0100 / call
Decode and summarize a Base transaction by hash.
https://api.firstmention.uk/s/basedue/wallet
$0.0100 / call
Activity summary for a Base wallet: token balances and recent transfers.
https://api.firstmention.uk/s/basedue/watch
$0.0100 / call
Create or check a watch on a Base token: returns new pools and changes since the previous call.
https://api.firstmention.uk/s/bizcal-api/day
$0.0100 / call
Is a date a business day, weekend or public holiday? Returns weekday, the holiday it falls on and the observed date.
https://api.firstmention.uk/s/bizcal-api/add
$0.0100 / call
Add N business days to a date in one country, skipping that country's weekends and public holidays (the same math as a net-terms due date).
https://api.firstmention.uk/s/bizcal-api/between
$0.0100 / call
Count business days between two dates in one country, net of public holidays.
https://api.firstmention.uk/s/bizcal-api/year
$0.0100 / call
Complete public holiday list for a year by country, with rule and observed date detail plus business, weekend and holiday day counts.
https://api.firstmention.uk/s/bizcal-api/workdays
$0.0100 / call
Business days between two dates net of public holidays, with the list of weekday holidays skipped.
https://api.firstmention.uk/s/bizcal-api/batch
$0.0100 / call
Run many dates at once: pass a comma-separated list of dates (max 50) for one country in a single call instead of paying per date.
https://api.firstmention.uk/s/bizcal-api/settle
$0.0100 / call
Invoice or trade date plus N business days = the exact due or settlement date that skips weekends and public holidays, for one or many countries, with the worst case across them. Use days=30 for net-30, days=2 for T+2.
https://api.firstmention.uk/s/bizcal-api/compare
$0.0100 / call
Compare a settlement or due date across several countries at once and return each country's date plus the worst case.
https://api.firstmention.uk/s/bizcal-api/fx
$0.0100 / call
European Central Bank reference FX rates for a base currency, with optional amount conversion.
https://api.firstmention.uk/s/chainread/network
$0.0100 / call
Read-only Base/Ethereum chain data for AI agents: ENS name and reverse resolution, recent ERC-20 transfer logs, batched multi-read (20 reads in one call), tx preflight, token safety verdict, balances, gas, tx lookup, and a stateful watchlist monitor.
https://api.firstmention.uk/s/chainread/block
$0.0100 / call
Read-only Base/Ethereum chain data for AI agents: ENS name and reverse resolution, recent ERC-20 transfer logs, batched multi-read (20 reads in one call), tx preflight, token safety verdict, balances, gas, tx lookup, and a stateful watchlist monitor.
https://api.firstmention.uk/s/chainread/balance
$0.0100 / call
Read-only Base/Ethereum chain data for AI agents: ENS name and reverse resolution, recent ERC-20 transfer logs, batched multi-read (20 reads in one call), tx preflight, token safety verdict, balances, gas, tx lookup, and a stateful watchlist monitor.
How to call
curl -sS -i -X GET https://api.firstmention.uk/s/basedue/due # expect HTTP 402 Payment Required (about 0.01 USDC/call)
https://api.firstmention.uk/mcp
Listed in
Directories this entry was found in.