diff --git a/.gitignore b/.gitignore
index ea8c4bf..fedaa2b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /target
+.env
diff --git a/Cargo.lock b/Cargo.lock
index 11594ff..0122ce7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -670,8 +670,8 @@ dependencies = [
  "bytes",
  "futures-util",
  "http 0.2.12",
- "http-body",
- "hyper",
+ "http-body 0.4.6",
+ "hyper 0.14.31",
  "itoa",
  "matchit",
  "memchr",
@@ -680,7 +680,7 @@ dependencies = [
  "pin-project-lite",
  "rustversion",
  "serde",
- "sync_wrapper",
+ "sync_wrapper 0.1.2",
  "tower",
  "tower-layer",
  "tower-service",
@@ -696,7 +696,7 @@ dependencies = [
  "bytes",
  "futures-util",
  "http 0.2.12",
- "http-body",
+ "http-body 0.4.6",
  "mime",
  "rustversion",
  "tower-layer",
@@ -904,7 +904,7 @@ version = "1.81.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1f322710c5d6aea5faf63c020ac8554f3415cb86bdcab7d0a9ee6a0b9618126e"
 dependencies = [
- "reqwest",
+ "reqwest 0.11.27",
 ]
 
 [[package]]
@@ -1402,6 +1402,12 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "dotenv"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
+
 [[package]]
 name = "downcast-rs"
 version = "1.2.1"
@@ -1590,6 +1596,21 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f81ec6369c545a7d40e4589b5597581fa1c441fe1cce96dd1de43159910a36a2"
 
+[[package]]
+name = "foreign-types"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
+dependencies = [
+ "foreign-types-shared",
+]
+
+[[package]]
+name = "foreign-types-shared"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
+
 [[package]]
 name = "form_urlencoded"
 version = "1.2.1"
@@ -1802,6 +1823,25 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "h2"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "524e8ac6999421f49a846c2d4411f337e53497d8ec55d67753beffa43c5d9205"
+dependencies = [
+ "atomic-waker",
+ "bytes",
+ "fnv",
+ "futures-core",
+ "futures-sink",
+ "http 1.1.0",
+ "indexmap 2.6.0",
+ "slab",
+ "tokio",
+ "tokio-util",
+ "tracing",
+]
+
 [[package]]
 name = "half"
 version = "2.4.1"
@@ -1975,6 +2015,29 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "http-body"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1efedce1fb8e6913f23e0c92de8e62cd5b772a67e7b3946df930a62566c93184"
+dependencies = [
+ "bytes",
+ "http 1.1.0",
+]
+
+[[package]]
+name = "http-body-util"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "793429d76616a256bcb62c2a2ec2bed781c8307e797e2598c50010f2bee2544f"
+dependencies = [
+ "bytes",
+ "futures-util",
+ "http 1.1.0",
+ "http-body 1.0.1",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "httparse"
 version = "1.9.5"
@@ -1997,9 +2060,9 @@ dependencies = [
  "futures-channel",
  "futures-core",
  "futures-util",
- "h2",
+ "h2 0.3.26",
  "http 0.2.12",
- "http-body",
+ "http-body 0.4.6",
  "httparse",
  "httpdate",
  "itoa",
@@ -2011,6 +2074,26 @@ dependencies = [
  "want",
 ]
 
+[[package]]
+name = "hyper"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbbff0a806a4728c99295b254c8838933b5b082d75e3cb70c8dab21fdfbcfa9a"
+dependencies = [
+ "bytes",
+ "futures-channel",
+ "futures-util",
+ "h2 0.4.6",
+ "http 1.1.0",
+ "http-body 1.0.1",
+ "httparse",
+ "itoa",
+ "pin-project-lite",
+ "smallvec",
+ "tokio",
+ "want",
+]
+
 [[package]]
 name = "hyper-rustls"
 version = "0.24.2"
@@ -2019,7 +2102,7 @@ checksum = "ec3efd23720e2049821a693cbc7e65ea87c72f1c58ff2f9522ff332b1491e590"
 dependencies = [
  "futures-util",
  "http 0.2.12",
- "hyper",
+ "hyper 0.14.31",
  "log",
  "rustls 0.21.12",
  "rustls-native-certs 0.6.3",
@@ -2027,18 +2110,70 @@ dependencies = [
  "tokio-rustls 0.24.1",
 ]
 
+[[package]]
+name = "hyper-rustls"
+version = "0.27.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08afdbb5c31130e3034af566421053ab03787c640246a446327f550d11bcb333"
+dependencies = [
+ "futures-util",
+ "http 1.1.0",
+ "hyper 1.5.0",
+ "hyper-util",
+ "rustls 0.23.15",
+ "rustls-pki-types",
+ "tokio",
+ "tokio-rustls 0.26.0",
+ "tower-service",
+]
+
 [[package]]
 name = "hyper-timeout"
 version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bbb958482e8c7be4bc3cf272a766a2b0bf1a6755e7a6ae777f017a31d11b13b1"
 dependencies = [
- "hyper",
+ "hyper 0.14.31",
  "pin-project-lite",
  "tokio",
  "tokio-io-timeout",
 ]
 
+[[package]]
+name = "hyper-tls"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70206fc6890eaca9fde8a0bf71caa2ddfc9fe045ac9e5c70df101a7dbde866e0"
+dependencies = [
+ "bytes",
+ "http-body-util",
+ "hyper 1.5.0",
+ "hyper-util",
+ "native-tls",
+ "tokio",
+ "tokio-native-tls",
+ "tower-service",
+]
+
+[[package]]
+name = "hyper-util"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41296eb09f183ac68eec06e03cdbea2e759633d4067b2f6552fc2e009bcad08b"
+dependencies = [
+ "bytes",
+ "futures-channel",
+ "futures-util",
+ "http 1.1.0",
+ "http-body 1.0.1",
+ "hyper 1.5.0",
+ "pin-project-lite",
+ "socket2",
+ "tokio",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "iana-time-zone"
 version = "0.1.61"
@@ -2298,7 +2433,7 @@ dependencies = [
  "beef",
  "futures-timer",
  "futures-util",
- "hyper",
+ "hyper 0.14.31",
  "jsonrpsee-types 0.22.5",
  "pin-project",
  "rustc-hash",
@@ -2339,8 +2474,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ccf93fc4a0bfe05d851d37d7c32b7f370fe94336b52a2f0efc5f1981895c2e5"
 dependencies = [
  "async-trait",
- "hyper",
- "hyper-rustls",
+ "hyper 0.14.31",
+ "hyper-rustls 0.24.2",
  "jsonrpsee-core 0.22.5",
  "jsonrpsee-types 0.22.5",
  "serde",
@@ -2668,6 +2803,23 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "defc4c55412d89136f966bbb339008b474350e5e6e78d2714439c386b3137a03"
 
+[[package]]
+name = "native-tls"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8614eb2c83d59d1c8cc974dd3f920198647674a0a035e1af1fa58707e317466"
+dependencies = [
+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe",
+ "openssl-sys",
+ "schannel",
+ "security-framework",
+ "security-framework-sys",
+ "tempfile",
+]
+
 [[package]]
 name = "new_debug_unreachable"
 version = "1.0.6"
@@ -2812,12 +2964,50 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 
+[[package]]
+name = "openssl"
+version = "0.10.68"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6174bc48f102d208783c2c84bf931bb75927a617866870de8a4ea85597f871f5"
+dependencies = [
+ "bitflags 2.6.0",
+ "cfg-if",
+ "foreign-types",
+ "libc",
+ "once_cell",
+ "openssl-macros",
+ "openssl-sys",
+]
+
+[[package]]
+name = "openssl-macros"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.82",
+]
+
 [[package]]
 name = "openssl-probe"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
+[[package]]
+name = "openssl-sys"
+version = "0.9.104"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "45abf306cbf99debc8195b66b7346498d7b10c210de50418b5ccd7ceba08c741"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "parity-scale-codec"
 version = "3.6.12"
@@ -2962,6 +3152,12 @@ dependencies = [
  "futures-io",
 ]
 
+[[package]]
+name = "pkg-config"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "953ec861398dccce10c670dfeaf3ec4911ca479e9c02154b3a215178c5f566f2"
+
 [[package]]
 name = "polling"
 version = "3.7.3"
@@ -3340,11 +3536,11 @@ dependencies = [
  "encoding_rs",
  "futures-core",
  "futures-util",
- "h2",
+ "h2 0.3.26",
  "http 0.2.12",
- "http-body",
- "hyper",
- "hyper-rustls",
+ "http-body 0.4.6",
+ "hyper 0.14.31",
+ "hyper-rustls 0.24.2",
  "ipnet",
  "js-sys",
  "log",
@@ -3357,8 +3553,8 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_urlencoded",
- "sync_wrapper",
- "system-configuration",
+ "sync_wrapper 0.1.2",
+ "system-configuration 0.5.1",
  "tokio",
  "tokio-rustls 0.24.1",
  "tower-service",
@@ -3370,6 +3566,49 @@ dependencies = [
  "winreg",
 ]
 
+[[package]]
+name = "reqwest"
+version = "0.12.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f713147fbe92361e52392c73b8c9e48c04c6625bce969ef54dc901e58e042a7b"
+dependencies = [
+ "base64 0.22.1",
+ "bytes",
+ "encoding_rs",
+ "futures-core",
+ "futures-util",
+ "h2 0.4.6",
+ "http 1.1.0",
+ "http-body 1.0.1",
+ "http-body-util",
+ "hyper 1.5.0",
+ "hyper-rustls 0.27.3",
+ "hyper-tls",
+ "hyper-util",
+ "ipnet",
+ "js-sys",
+ "log",
+ "mime",
+ "native-tls",
+ "once_cell",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustls-pemfile 2.2.0",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "sync_wrapper 1.0.1",
+ "system-configuration 0.6.1",
+ "tokio",
+ "tokio-native-tls",
+ "tower-service",
+ "url",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "windows-registry",
+]
+
 [[package]]
 name = "ring"
 version = "0.17.8"
@@ -4343,6 +4582,7 @@ name = "sxt-proof-of-sql-sdk"
 version = "0.1.0"
 dependencies = [
  "ark-serialize",
+ "dotenv",
  "flexbuffers",
  "futures",
  "postcard",
@@ -4350,7 +4590,9 @@ dependencies = [
  "proof-of-sql-parser",
  "prost",
  "prost-build",
+ "reqwest 0.12.8",
  "serde",
+ "serde_json",
  "subxt",
  "tokio",
  "tonic",
@@ -4385,6 +4627,15 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
 
+[[package]]
+name = "sync_wrapper"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7065abeca94b6a8a577f9bd45aa0867a2238b74e8eb67cf10d492bc39351394"
+dependencies = [
+ "futures-core",
+]
+
 [[package]]
 name = "system-configuration"
 version = "0.5.1"
@@ -4393,7 +4644,18 @@ checksum = "ba3a3adc5c275d719af8cb4272ea1c4a6d668a777f37e115f6d11ddbc1c8e0e7"
 dependencies = [
  "bitflags 1.3.2",
  "core-foundation",
- "system-configuration-sys",
+ "system-configuration-sys 0.5.0",
+]
+
+[[package]]
+name = "system-configuration"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c879d448e9d986b661742763247d3693ed13609438cf3d006f51f5368a5ba6b"
+dependencies = [
+ "bitflags 2.6.0",
+ "core-foundation",
+ "system-configuration-sys 0.6.0",
 ]
 
 [[package]]
@@ -4406,6 +4668,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "system-configuration-sys"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e1d1b10ced5ca923a1fcb8d03e96b8d3268065d724548c0211415ff6ac6bac4"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "tap"
 version = "1.0.1"
@@ -4516,6 +4788,16 @@ dependencies = [
  "syn 2.0.82",
 ]
 
+[[package]]
+name = "tokio-native-tls"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbae76ab933c85776efabc971569dd6119c580d8f5d448769dec1764bf796ef2"
+dependencies = [
+ "native-tls",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-rustls"
 version = "0.24.1"
@@ -4612,10 +4894,10 @@ dependencies = [
  "axum",
  "base64 0.21.7",
  "bytes",
- "h2",
+ "h2 0.3.26",
  "http 0.2.12",
- "http-body",
- "hyper",
+ "http-body 0.4.6",
+ "hyper 0.14.31",
  "hyper-timeout",
  "percent-encoding",
  "pin-project",
@@ -4798,6 +5080,12 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
 [[package]]
 name = "version_check"
 version = "0.9.5"
@@ -5007,6 +5295,36 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
+[[package]]
+name = "windows-registry"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e400001bb720a623c1c69032f8e3e4cf09984deec740f007dd2b03ec864804b0"
+dependencies = [
+ "windows-result",
+ "windows-strings",
+ "windows-targets 0.52.6",
+]
+
+[[package]]
+name = "windows-result"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d1043d8214f791817bab27572aaa8af63732e11bf84aa21a45a78d6c317ae0e"
+dependencies = [
+ "windows-targets 0.52.6",
+]
+
+[[package]]
+name = "windows-strings"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cd9b125c486025df0eabcb585e62173c6c9eddcec5d117d3b6e8c30e2ee4d10"
+dependencies = [
+ "windows-result",
+ "windows-targets 0.52.6",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
diff --git a/Cargo.toml b/Cargo.toml
index b38bdda..9003bef 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,13 +5,16 @@ edition = "2021"
 
 [dependencies]
 ark-serialize = { version = "0.4.0", default-features = false }
+dotenv = "0.15"
 flexbuffers = { version = "2.0.0" }
 futures = { version = "0.3.31"}
 postcard = { version = "1.0.10", default-features = false }
 proof-of-sql = { version = "0.33.5"}
 proof-of-sql-parser = { version = "0.33.5" }
 prost = "0.12"
+reqwest = { version = "0.12", features = ["json"] }
 serde = { version = "1.0", features = ["serde_derive"] }
+serde_json = "1.0"
 subxt = "0.37.0"
 tokio = { version = "1.0", features = ["rt-multi-thread", "macros"] }
 tonic = { version = "0.11", features = ["tls", "tls-roots"] }
diff --git a/src/auth.rs b/src/auth.rs
new file mode 100644
index 0000000..5421968
--- /dev/null
+++ b/src/auth.rs
@@ -0,0 +1,23 @@
+use reqwest::Client;
+/// Get access token from the API key
+///
+/// To obtain an API key please visit [Space and Time Studio](https://app.spaceandtime.ai/) and create an account.
+/// See [Get API Key Using Space and Time Studio](https://docs.spaceandtime.io/docs/using-studioapi-key) for more information.
+#[allow(dead_code)]
+pub async fn get_access_token(
+    apikey: &str,
+    url: &str,
+) -> Result<String, Box<dyn core::error::Error>> {
+    let client = Client::new();
+    let auth_url = format!("https://proxy.{}/auth/apikey", url);
+    let response = client
+        .post(auth_url)
+        .header("apikey", apikey)
+        .send()
+        .await?;
+    let response_json = response.json::<serde_json::Value>().await?;
+    let access_token = response_json["accessToken"]
+        .as_str()
+        .ok_or("No access token")?;
+    Ok(access_token.to_string())
+}
diff --git a/src/main.rs b/src/main.rs
index 76778cd..40c1238 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,9 @@
+mod auth;
 mod substrate;
 mod sxt_chain_runtime;
 
 use core::time::Duration;
+use dotenv::dotenv;
 use proof_of_sql::{
     proof_primitive::dory::{
         DoryCommitment, DoryEvaluationProof, DoryVerifierPublicSetup, VerifierSetup,
@@ -17,9 +19,10 @@ mod prover {
 
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn core::error::Error>> {
-    let sql = "SELECT * FROM ethereum.contract_evt_approvalforall;";
-    let prover_uri = "<prover-uri>";
-    let substrate_node_url = "<substrate-node-url>";
+    dotenv().ok();
+    let sql = "SELECT * FROM ETHEREUM.CONTRACT_EVT_APPROVALFORALL;";
+    let prover_url = std::env::var("PROVER_URL")?;
+    let substrate_node_url = std::env::var("SUBSTRATE_NODE_URL")?;
     // Dory setup
     let sigma = 12;
     let verifier_setup = VerifierSetup::load_from_file(Path::new("verifier_setup.bin"))?;
@@ -27,18 +30,18 @@ async fn main() -> Result<(), Box<dyn core::error::Error>> {
     // Accessor setup
     let accessor = substrate::query_commitments(
         &["ETHEREUM.CONTRACT_EVT_APPROVALFORALL".parse()?],
-        substrate_node_url,
+        &substrate_node_url,
     )
     .await?;
     // Parse the SQL query
     let query: QueryExpr<DoryCommitment> =
-        QueryExpr::try_new(sql.parse()?, "ethereum".parse()?, &accessor)?;
+        QueryExpr::try_new(sql.parse()?, "ETHEREUM".parse()?, &accessor)?;
     let proof_plan = query.proof_expr();
     let serialized_proof_plan = flexbuffers::to_vec(proof_plan)?;
     // Send the query to the prover
     let mut query_context = HashMap::new();
     query_context.insert(
-        "ethereum.contract_evt_approvalforall".to_string(),
+        "ETHEREUM.CONTRACT_EVT_APPROVALFORALL".to_string(),
         ProverContextRange {
             start: 0,
             ends: vec![5],
@@ -48,7 +51,7 @@ async fn main() -> Result<(), Box<dyn core::error::Error>> {
         proof_plan: serialized_proof_plan,
         query_context,
     };
-    let mut client = ProverClient::connect(prover_uri).await?;
+    let mut client = ProverClient::connect(prover_url).await?;
     let mut request = tonic::Request::new(prover_query);
     request.set_timeout(Duration::from_secs(60));
     let stringified_verifiable_result = client