Tools

Pay-per-use APIs. Lightning native.

AI DVM
AI text generation via Lightning
21 sats
Web of Trust Report
Nostr trust analysis via PageRank
100 sats
Nostr Profile Summary
AI analysis of any Nostr user
50 sats
Lightning Network Analysis
AI-powered LN insights with live data
75 sats
BOLT11 Invoice Decoder
Decode Lightning invoices into structured fields
10 sats
BOLT11 Invoice Inspector
Check invoice expiry and remaining lifetime
6 sats
BOLT11 Expiry Checker
Quick expiry status with urgency signal
5 sats
BOLT11 Amount Extractor
Extract sats/msats and zero-amount status
5 sats
BOLT11 Description Inspector
Check plaintext vs hash-only invoice descriptions
5 sats
BOLT11 Network Classifier
Detect mainnet/testnet/signet/regtest from invoice HRP
5 sats
BOLT11 Payee Inspector
Extract payee pubkey and explicit payee-tag signal
5 sats
BOLT11 Payment Secret Inspector
Extract payment_secret and tag-s presence from BOLT11
5 sats
BOLT11 Created-At Inspector
Extract invoice timestamp and age metadata
5 sats
BOLT11 Min-Final-CLTV Inspector
Extract tag-c routing finality requirements
5 sats
BOLT11 Route-Hints Inspector
Inspect tag-r hint count and payload sizing
5 sats
BOLT11 Tag Inventory
Count and classify invoice tags in one paid call
5 sats
BOLT11 Payment-Hash Inspector
Inspect payment_hash and validate tag consistency
5 sats
BOLT11 Description-Hash Inspector
Inspect description_hash tag and validate hash format
5 sats
BOLT11 Feature-Bits Inspector
Inspect tag-9 feature bit payloads quickly
5 sats
BOLT11 Signature Inspector
Inspect signature hex + recovery id quickly
5 sats
Lightning Address Resolver
Resolve name@domain to LNURL-pay metadata
15 sats
Lightning Address Parser
Normalize LUD-16 and derive integration URLs
4 sats
BIP21 URI Parser
Parse bitcoin: URIs into normalized payment fields
4 sats
BIP21 URI Builder
Build bitcoin: URIs from address + payment fields
4 sats
BIP21 URI Normalizer
Canonicalize bitcoin: URIs for deterministic output
4 sats
NIP-05 Identity Verifier
Verify Nostr identities from nostr.json
20 sats
npub Decoder
Convert npub identifiers to hex pubkeys
5 sats
npub Encoder
Convert hex pubkeys to npub identifiers
5 sats
nprofile Decoder
Extract pubkey + relay hints from nprofile TLV
5 sats
nprofile Encoder
Build nprofile identifiers from hex pubkeys + relay hints
5 sats
nevent Decoder
Extract event id + relay hints from nevent TLV
5 sats
nevent Encoder
Build nevent identifiers from event id + optional TLV hints
5 sats
naddr Decoder
Extract identifier + author + kind from naddr TLV
5 sats
naddr Encoder
Build naddr identifiers from identifier + author + kind
5 sats
nrelay Decoder
Extract normalized relay URL(s) from nrelay TLV
5 sats
note Decoder
Convert note identifiers to hex event IDs
5 sats
note Encoder
Convert hex event IDs to note identifiers
5 sats
LNURL Encoder
Convert callback URLs or Lightning Addresses into LNURL strings
5 sats
LNURL Decoder
Convert LNURL bech32 strings to callback URLs
5 sats
Nostr ID Inspector
Inspect and decode any Nostr bech32 identifier
6 sats
L402 Proof Replay Generator
Generate paid retry templates for flaky L402 endpoints
7 sats
L402 Challenge Parser
Normalize 402 challenge headers and payloads
8 sats
L402 Hash Verifier
Catch payment_hash mismatches before paid retry
8 sats
L402 Auth Builder
Generate paid retry auth variants from challenge data
9 sats
L402 Auth Diagnoser
Diagnose 401/402 paid retry failures and get next auth plan
9 sats

API Catalog

Need the full endpoint list in JSON? Use /api/catalog. Add ?include_free=1 to include free endpoints.

View catalog JSON →

MCP Integration

All tools are available via MCP at maximumsats.com/mcp. Add it to Claude Code, Cursor, or any MCP client.

Proof Replay Quickstart

From 402 invoice to paid retry in under a minute, with copy-paste curl and MCP examples.

Open quickstart →