Alexandria
All providers
Sign in
Sign up to use mempool.space
Firecrawl Alexandria
Finance

mempool.space

Bitcoin mainnet explorer data from the open-source mempool.space REST API: transactions with inputs, outputs, fees and confirmations, which transaction spent each output, address balances, histories and UTXOs, blocks by hash or height with mining pool and fees, recent blocks, fee estimates and the mempool backlog.

Try in Agent
Has Bitcoin transaction f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16 confirmed, and which transactions spent its outputs?

Try mempool.space now.

Choose an example or ask your own question.

mempool.space
TRY ASKING
1Request
stringRequired

Bitcoin mainnet address: base58 P2PKH (`1...`) or P2SH (`3...`), bech32 segwit v0 (`bc1q...`) or bech32m taproot (`bc1p...`); or a `https://mempool.space/address/<address>` URL. Checksums are verified; testnet addresses are rejected.

string

Return the confirmed transactions older than this one; pass the previous page's `next_after_txid`.

5 credits
Codefollows the fields above
const result = await firecrawl.scrape({
  alexandria: {
    provider: "mempool-space",
    capability: "crypto/address_transactions",
    options: {
      address: "12cbQLTFMXRnSzktFkuoG3eHoMeFtpTu3S",
      after_txid: "595cf9da27359b36196ad457acba9a409ef68f51d6cd130e5449a4f418fb62f1",
    },
  },
});
2Response example

This is a sample shape. Press Run to see live data from mempool.space.

address
12cbQLTFMXRnSzktFkuoG3eHoMeFtpTu3S
after_txid
595cf9da27359b36196ad457acba9a409ef68f51d6cd130e5449a4f418fb62f1
api_url
https://mempool.space/api/address/12cbQLTFMXRnSzktFkuoG3eHoMeFtpTu3S/txs?after_txid=595cf9da27359b36196ad457acba9a409ef68f51d6cd130e5449a4f418fb62f1
count
30
mempool_count
0
next_after_txid
null
observed_at_ms
1791566173579
url
https://mempool.space/address/12cbQLTFMXRnSzktFkuoG3eHoMeFtpTu3S
block_heightblock_timeconfirmedfee_satsinput_countnet_btcnet_satsoutput_countreceived_satssent_satstxidvsize
4259091471629409true4000020.00050000500007500000838
4115671463133714true207210.000066606660266600258
4107871462695855true1000010.000273232732311273230530
4105201462544693true1000010.000054305430354300264
4104001462481722true3108010.00022272222722222720226
4104001462481722true3108010.00022272222722222720225
4104001462481722true3108010.00022272222722222720225
4104001462481722true3108010.00022272222722222720226
4104001462481722true3108010.00022272222722222720225
4104001462481722true3108010.00022272222722222720226
4104001462481722true3108010.00022302223022223020226
4104001462481722true3108010.00022272222722222720225
4104001462481722true3108010.00022272222722222720226
4104001462481722true3108010.00022272222722222720226
4104001462481722true3108010.00022302223022223020225
4103991462481421true3108010.00022302223022223020225
4103991462481421true3108010.00022273222732222730225
4103991462481421true3108010.00022273222732222730226
4103991462481421true1003710.00022274222742222740225
4103991462481421true3108010.00022302223022223020225
4103991462481421true3108010.00022273222732222730226
4103991462481421true3108010.00022273222732222730226
4103351462443981true677610.11189900111899002111899000257
4102031462372914true780010.017010001701000117010000191
4102011462370771true5046760.0109000010900007109000002016
4100551462296033true3000010.00010000100002100000262
4100331462282792true1130010.11000000110000002110000000226
4098571462183677true1130010.00066600666002666000225
2282081364365370true5000010.00030000300002300000258
2201511360299643true5000020.000000011310407

Related providers

Browse the library
//
Get started
//
Give your agent mempool.space.
One API key for the live web and every provider in Alexandria.
Use mempool.spaceExplore Alexandria
Are you an AI agent? See setup options